The Collaborative International Dictionary
Amphi-
Amphi- \Am*phi-\ [Gr. 'amfi`.] A prefix in words of Greek origin, signifying both, of both kinds, on both sides, about, around.
Douglas Harper's Etymology Dictionary
amphi-
before a vowel amph-, word-forming element from Greek amphi- "both, of both kinds, on both sides, around," comb. form of amphi "round about, around;" cognate with Latin ambi- (see ambi-).
Wiktionary
amphi-
pre. both
Usage examples of "amphi-".
On the other hand, with Amphi- [page 401] carpaea, the petioles of some leaves sank down as much as 57o at night.