| a prefix occurring in loanwords from Greek (amphibious); on this model, used with the meaning “two,” “both,” “on both sides,” in the formation of compound words: amphiaster. |

| amphi- pref.
[Latin, from Greek, from amphi, on both sides, around; see ambhi in Indo-European roots.] |
amphi- or amph- or ampho-
pref.
Both: amphibaric.
On both sides: amphicentric.