Amb-, Ambi-. [L. prefix ambi-, amb-, akin to Gr. &unr_;, Skr. abhi, AS. embe, emb, OHG. umbi, umpi, G. um, and also L. ambo both. Cf. Amphi-, Both, By.] A prefix meaning about, around; -- used in words derived from the Latin.
[1913 Webster]