英语词汇detector的起源、历史背景-英语词源词典

词汇	detector
词源	detector n. 1540s, "one who detects," from Latin detector "uncoverer, revealer," agent noun from detectus, past participle of detegere "to uncover, expose," figuratively "discover, reveal, disclose" (see detect). From 1833 as "instrument or device for indicating the presence or state of a thing," originally an arrangement in a lock supposed to indicate attempts to tamper with it. Entries linking to detector detect v. early 15c., "uncover, lay bare, expose, disclose, reveal," a sense now obsolete, from Latin detectus, past participle of detegere "uncover, expose," figuratively "discover, reveal, disclose," from de "un-, off" (see de-) + tegere "to cover," from PIE root *(s)teg- "to cover." Sense of "to find out the secret action or character of" is from 1580s. Meaning "discover, find out, ascertain" is from 1756. Related: Detected; detecting. updated on August 04, 2018
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detector n.