usual | Search Online Etymology Dictionary

usual (adj.)

late 14c., from Old French usuel "current, in currency (of money), valid" (13c.) and directly from Late Latin usualis "ordinary," from Latin usus "custom" (see use (v.)). The usual suspects is from a line delivered by Claude Rains (as a French police inspector) in "Casablanca" (1942).

usually (adv.)

late 15c., from usual + -ly (2).

unusual (adj.)

1580s, from un- (1) "not" + usual (adj.). Related: Unusually.

barracks (n.)

plural, and usual, form of barrack (q.v.).

suc-

the usual form of sub- before -c-, an assimiliation from Latin.

abs-

the usual form of ab- before -c-, -q-, or -t-.

PIE

the usual abbreviation of Proto-Indo-European.