Английский Этимологический словарь - sort (n.)

- c.1390, from O.Fr. sorte "class, kind," from L. sortem (nom. sors) "lot, fate, share, portion, rank, category." The sense evolution in V.L. is from "what is alloted to one by fate," to "fortune, condition," to "rank, class, order." Out of sorts is 17c., with sense of "out of stock." The verb is 1358, from O.Fr. sortir "allot, sort, assort," from L. sortiri "draw lots, divide, choose," from sors. In some senses, the verb is a shortened form of assort.