1708, "any outer garment," shortened from
togman "cloak, loose coat" (1567), thieves' cant word, formed from Fr.
togue "cloak," from L.
toga (see
toga). M.E.
toge "toga" (14c.) was also a cant word for "coat." Plural form
togs is first recorded 1779.
Toggery "clothes collectively" is recorded from 1812.