英语词汇custodian的起源、历史背景-英语词源词典

词汇	custodian
词源	custodian n. 1781, "one who has the care or custody of anything" (a library, a lunatic, etc.), from custody (Latin custodia) + -an. In this sense Middle English had custode (late 14c.), custodier (late 15c.). As "janitor," by 1944, American English, short for custodian-janitor (by 1899). Related: Custodianship. Entries linking to custodian custody n. mid-15c., "a keeping, a guarding, safe-keeping, protection, defense," from Latin custodia "guarding, watching, keeping," also "prison," from custos (genitive custodis) "guardian, keeper, protector," from PIE root *(s)keu- "to cover, conceal." Meaning "restraint of liberty, confinement" is from 1580s. updated on June 09, 2018
随便看	thoroughfare thoroughgoing thorp those thoth thou though thought thoughtful thoughtless thousand thousandth thrace thraldom thrall thrash thread threadbare threat threaten three threefold three rs threesome threnody

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custodian n.