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词根:cred

关键点:核心义是“强/支撑/加固”。把 fortis 想成一股“承重力”:能把结构顶住(fort/fortress),也能把力量推出去(effort),还能把人心扶稳(comfort)。拉丁语 credere = believe / trust(相信、信任;托付)。把它想成“力场/要塞”:一方面是 strong,一方面是把东西“加固/支撑起来”。英语里 cred- 表“信/可信”,并自然延伸到:

目录

A. 意象化理解

  • 画面 1:相信(believe)→ 可信(credible)

    • cred- 的最直观语义是“值得相信”。
  • 画面 2:托付/信任额度(entrust)→ 信用/信贷(credit)

    • credit 的核心画面是“把资源/额度托付给对方”,既可以是金融意义的“贷款/信用”,也可以是叙事意义的“把功劳记给某人”。(Etymonline: https://www.etymonline.com/word/credit)
  • 画面 3:让人相信你是谁(proof of trust)→ 凭证(credential)

    • credential(s) 是“让别人相信你身份/资格”的证据。
  • (技术语境):把系统当作“城防工程”:fortify=加固边界;effort=把力打出去;comfort=给用户“稳住”的支撑。

  • 三条路径:fort/fortress(防御)→ effort(出力)→ comfort/fortitude(扶稳/坚韧)。

B. 词汇表

  • credit card [B1](信用卡)

    • 拆解:credit(信用)+ card
    • 释义(按词根词缀推导):基于信用额度使用的卡 → 信用卡。
    • 例句:I paid by credit card.
  • credits [B2](学分(复数);片尾字幕;功劳(复数))

    • 拆解:credit + -后缀 -s(复数)。
    • 释义(按词根词缀推导):多项“被记入的功劳/记录” → 学分;片尾字幕(film credits);功劳。
    • 例句:Check the course credits before enrolling.
  • incredibly [B2](难以置信地;非常)

    • 拆解:incredible + -后缀 -ly
    • 释义(按词根词缀推导):以“不可信”的程度 → 难以置信地;口语里常作“非常”。
    • 例句:The service is incredibly fast.
  • credentials [B2](凭证;证书)(复数用法)

    • 拆解:credential + -后缀 -s(复数)。
    • 释义(按词根词缀推导):一组用来证明身份/资格的凭据 → 凭证/证书。
    • 例句:Do not store credentials in plain text.

credible [B2](可信的)

  • 拆解:cred-(believe)+ -后缀 -ible(able to be)。

  • 释义(按词根词缀推导):能被相信的 → 可信的。(Etymonline: https://www.etymonline.com/word/credible)

  • 例句:We need a credible estimate for the launch.

  • creed [C1](信条;教义)

    • 拆解:creed ← 与 cred- 同源的名词形式(“所信之事”)。(Etymonline: https://www.etymonline.com/word/creed)
    • 释义(按词根词缀推导):被相信的一整套说法 → 信条/教义。
    • 例句:Our creed is to ship early and iterate.

discredit [C1](使失去信誉;质疑)

creditor [C1](债权人)

  • 拆解:credit(信贷/信用)+ -后缀 -or(人)。

  • 释义(按词根词缀推导):在信用/债务关系中“被欠钱的人/出借方” → 债权人。(Cambridge: https://dictionary.cambridge.org/dictionary/english/creditor)

  • 例句:The company couldn’t pay its creditors.

  • credibly [C1](可信地)

    • 拆解:credible + -后缀 -ly
    • 释义(按词根词缀推导):以“可被相信”的方式 → 可信地。
    • 例句:He credibly demonstrated the issue.
  • creditors [C1](债权人(复数))

    • 拆解:creditor + -后缀 -s(复数)。
    • 释义(按词根词缀推导):多个债权人 → creditors。
    • 例句:The court notified all creditors.
  • credulous [C1](轻信的)

    • 拆解:cred-(believe)+ -后缀 -ulous(倾向于…的)。
    • 释义(按词根词缀推导):倾向于相信(容易上当)→ 轻信的。(Etymonline: https://www.etymonline.com/word/credulous)
    • 例句:Do not be credulous about unsourced claims.
  • accredited [C1](经认可的;经认证的)

    • 拆解:accredit + -后缀 -ed(形容词化/过去分词)。
    • 释义(按词根词缀推导):被授予资质/被认可的 → 经认证的。
    • 例句:Choose an accredited provider.
  • creditable [C1](值得称赞的;可信的)

    • 拆解:credit + -后缀 -able(可…的;值得…的)。
    • 释义(按词根词缀推导):值得被“记功/称赞”的;也可指“可信的”。
    • 例句:It was a creditable performance. This is a creditable explanation.
  • credulously [C1](派生词):

    • 拆解:credulous + -ly(副词后缀)。
    • 释义(按词根词缀推导):以…的方式 → …地
    • 例句:The system behaves credulously under load.
  • discredited [C1](名誉扫地的;被否定的)

    • 拆解:discredit + -后缀 -ed
    • 释义(按词根词缀推导):信用被“拆散/带走”的 → 名誉受损的;观点被否定的。
    • 例句:The discredited theory was removed from the docs.
  • creditworthy [C1](信用良好的;值得授信的)

    • 拆解:credit + worthy(值得…的)。
    • 释义(按词根词缀推导):值得被托付“信用额度”的 → 信用良好/可授信。
    • 例句:The bank checks if you are creditworthy.
  • accreditation [C1](认证;授权;资质认定)

    • 拆解:accredit + -后缀 -ation(行为/过程/结果名词化)。
    • 释义(按词根词缀推导):给予资质/认可这一过程或结果 → 认证/资质认定。(Etymonline: https://www.etymonline.com/word/accreditation)
    • 例句:The service requires ISO accreditation.

credential [B2](凭证;证书)

  • 拆解:cred-(believe)+ -后缀 -ential(与…有关/具有…性质)→ 用来让人相信的东西。(Etymonline: https://www.etymonline.com/word/credential)

  • 释义(按词根词缀推导):使人相信(身份/资格)的凭据 → 凭证/证书。

  • 例句:Store API credentials in a secrets manager.

  • credulity [C2](轻信;易受骗)

    • 拆解:credul-(credulous 词干)+ -后缀 -ity
    • 释义(按词根词缀推导):处于“轻信”的性质/状态 → 轻信。(Etymonline: https://www.etymonline.com/word/credulity)
    • 例句:The scam exploited public credulity.
  • creditably [C2](体面地;值得称赞地)

    • 拆解:creditable + -后缀 -ly
    • 释义(按词根词缀推导):以值得称赞的方式 → 体面地。
    • 例句:The team performed creditably under pressure.

accredit [B2](认可;授权;授予资质)

  • 拆解:前缀- ac-(ad-:to)+ cred-(trust)+ -后缀 -it

  • 释义(按词根词缀推导):把“信任/资质”给到某机构/人 → 认可、授权。(Etymonline: https://www.etymonline.com/word/accredit)

  • 例句:The body that accredits our lab will visit in March.

  • credibility [C2](可信度;公信力)

  • incredulity [C2](怀疑;不相信)

    • 拆解:前缀- in-(not)+ credulity(轻信/相信倾向)。
    • 释义(按词根词缀推导):不是轻信,而是“不愿相信/怀疑”的状态 → 怀疑。
    • 例句:She stared in incredulity.
  • credentialed [C2](有资质的;持证的)

    • 拆解:credential + -后缀 -ed
    • 释义(按词根词缀推导):被凭证“覆盖/证明”过的 → 持证的。
    • 例句:Only credentialed staff can enter the lab.
  • credentialing [C2](资质审核;授予资质流程)

    • 拆解:credential + -后缀 -ing(名词化:过程/工作)。
    • 释义(按词根词缀推导):对凭证/资质进行核验与授予的流程 → 资质审核。
    • 例句:Credentialing is required before access is granted.
  • discreditable [C2](可耻的;有损名誉的)

    • 拆解:discredit + -后缀 -able
    • 释义(按词根词缀推导):会导致失信/丢脸的 → 有损名誉的。
    • 例句:It would be discreditable to hide the breach.
  • discreditably [C2](可耻地;有失体面地)

    • 拆解:discreditable + -后缀 -ly
    • 释义(按词根词缀推导):以有损名誉的方式 → 可耻地。
    • 例句:They behaved discreditably.
  • credibility gap [C2](公信力差距;信任缺口)

    • 拆解:credibility + gap
    • 释义(按词根词缀推导):公众可相信的程度与现实认知之间的“缺口” → 公信力缺口。
    • 例句:A credibility gap can hurt adoption.
  • creditor-debtor [C2](债权人-债务人(关系))

    • 拆解:creditor + debtor
    • 释义(按词根词缀推导):信用关系的两端 → 债权人-债务人关系。
    • 例句:They settled a creditor-debtor dispute.

incredible [B2](难以置信的;极好的)

  • 拆解:前缀- in-(not)+ credible

  • 释义(按词根词缀推导):不可信的 → 难以相信的;口语里常引申为“好到难以置信”。(Etymonline: https://www.etymonline.com/word/incredible)

  • 例句:The performance improvement was incredible.

  • creditworthiness [C2](信用状况;信用度)

    • 拆解:creditworthy + -后缀 -ness(名词化)。
    • 释义(按词根词缀推导):信用良好的程度/状态 → 信用状况。
    • 例句:Creditworthiness affects loan rates.

C. 关联词根词缀

关联词根(非本文主讲)

(本词表暂无可登记的其他词根/词干)

组合词素(Combining forms,建议可单列)

(本词表暂无可登记的组合词素)

词缀(Affixes,不单列,仅登记)

  • -able:creditable / discreditable
  • -ation:accreditation
  • -ed:credit card / credits / incredibly / credentials / creed
  • -ence:credence
  • -ential:credentials / credentialed / credentialing
  • -ible
  • -ing:credentialing
  • -it:credit card / credits / creditors / accredited / creditable
  • -ity:credulity / credibility / incredulity / credibility gap
  • -ly:incredibly / credibly / credulously / creditably / discreditably
  • -ness:creditworthiness
  • -or:creditors / creditworthy / creditor-debtor / creditworthiness
  • -s:credits / credentials / creditors / credulous / credulously
  • -ulous:credulous / credulously
  • ac-:accredited / accreditation
  • creditor-debtor:creditor-debtor
  • credul-:credulous / credulously / credulity / incredulity
  • dis-:discredited / discreditable / discreditably
  • in-:incredibly / incredulity / credentialing / creditworthiness

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