Ab exordio mundi - Since the beginning of the world
Ab exordio vitae - Since the beginning of life
Ab homine quaesivi quis esset - Asked the man, who he was
Ab Imis Fundamentis - From my deepest roots (About restoration or reconstruction)
Ab imis unguibus usque ad verticem summum - From the bottom of the toenail to the highest part of the body (Cicero - Pro Q Roscio Comoedo, 20)
Ab immemorabilis - From when there was no memory
Ab imo pectore - From my chest (Julius Caesar - Frankly - From my heart)
Ab initio - From the beginning
Ab insomne custodita dracone - Protected by a sleepless dragon
Ab integro - By whole
Ab intestato - Having made no will (Legal term)
Ab intra - From within
Ab Iove principium - Start with the most important (Virgil - Aeneid VII - Iove [Jove] is Jupiter, the father of all Roman Gods)
Ab ipso ferro - From the same iron (Fray Luis de Leon's motto)
Ab irato - By anger (Legal term - Something which is invalidated, because it was done with unreasonable anger)
Ab Ordine Libertas - From order comes freedom (Colombia's motto)
Ab ore ad aurem - From mouth to ear (whispering a secret into someone's ear)
Ab origine - From origin
Ab ovo - Since the egg (Horace - Ars poetica - Refers to the egg of Leek from which hatched Helen of Troy)
Ab ovo usque ad mala - From the egg to the apple (Horace - Satire - From appetizer to dessert - From start to finish - From soup to nuts)
Ab uno disce omnes - From one learn all (Virgil - Aeneid II )
Ab uno discit omnes - From one you know all
Ab uno discunt omnes - From one learn all
ab Urbe Condita - a.U.C. - From the founding of the city (To count years since the foundation of Rome - 753 AC - Abbreviated as a.U.C.)
Ab utraque parte - Of both parties (Legal Term - Gai Institutiones - Common property e.g. an island in the middle a river is the common property of the proprietors on both banks)