Origin: 1350–1400; ME
amphibena < NL, L < Gk
amphísbaina a serpent that moves forward or backward, equiv. to
amphís both ways +
baín(
ein) to go +
-a n. suffix

Related forms: am⋅phis⋅bae⋅ni⋅an, am⋅phis⋅bae⋅nic, am⋅phis⋅bae⋅noid, am⋅phis⋅bae⋅nous, adjective