- coincide (v.)
[coincide 词源字典]
- 1705, "be identical in substance or nature," but from 1640s as a verb in English in Latin form, "occupy the same space, agree in position," from Medieval Latin coincidere (used in astrology), literally "to fall upon together," from Latin com- "together" (see co-) + incidere "to fall upon" (in- "upon" + cadere "to fall;" see case (n.1)). From 1809 as "occur at the same time." Related: Coincided; coinciding.[coincide etymology, coincide origin, 英语词源]