amb-, am-, an- insepa<*> prep.,
around, round about, only in composition; before vowels usually amb-; ambages, ambedo, etc.; but amicio (for amiicio); once amp-: ampulla; before consonants, am-: amplector, amputo; or amp-: Ampsanctus; but before c, q, h, f, an-: anceps, anfractus, anquiro, etc.