Word Origin & History
stalec.1300, "freed from dregs or lees" (of ale, wine, etc.), i.e. "having stood long enough to clear," cognate with M.Du. stel "stale" (of beer), and probably ult. from P.Gmc. base *sta- "stand," the source of O.E. standan "to stand," Perhaps via O.Fr. estaler "halt," from Frankish *stal- "position" (see
stall (1)). The meaning "not fresh" is first recorded late 15c. Figurative sense (of immaterial things) is recorded from 1560s.