"garlic mayonnaise," 1914, from Provençal aioli, from ai (corresponding to French ail "garlic") + oli (corresponding to French huile) "oil," from Latin oleum (see oil (n.)). The Catalan equivalent is allioli.
aim
*aim-
aimless
ain't
Ainu
aioli
air
air force
air mail
air-bag
airborne