mid-15c., "numbering," later (1530s) "marginal notation," noun of action from quote (v.) or else from Medieval Latin quotationem (nominative quotatio), noun of action from past-participle stem of quotare "to number."
Meaning "an act of quoting or citing" is from 1640s; that of "passage quoted, that which is repeated or cited as the utterance of another speaker or writer" is from 1680s. Meaning "the current price of commodities or stocks, as published," is by 1812. Quotation mark, one of the marks to denote the beginning and end of a quotation, is attested by 1777.
updated on August 31, 2021