Where does “ambigo” come from?

ambigo (Latin) comes from Latin ambi-, from Latin ambō, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent-, from Proto-Indo-European h₂en- — on, onto.

ambigo (Latin): I go about; I wander; I hesitate, waver, doubt