Appointment

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Middle English: from Old French apointement, from apointer (see appoint).

wiktionary

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From Middle French apointement (French appointement). See appoint.

etymonline

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appointment (n.)

early 15c., "an agreement," also "a fixing of a date for official business," from Old French apointement, from apointer "arrange, settle, place" (see appoint). Meaning "act of placing in office" is attested from 1650s.