literary (adj.)youdaoicibaDictYouDict[literary 词源字典]
1640s, "pertaining to alphabet letters," from French littéraire, from Latin literarius/litterarius "belonging to letters or learning," from littera/litera "letter" (see letter (n.1)). Meaning "pertaining to literature" is attested from 1737.[literary etymology, literary origin, 英语词源]