10 letters · 19 points in Scrabble
adjective relating to or characteristic of animals of the class Amphibia
adjective operating or living on land and in water
originFrom Ancient Greek ἀμφίβιος (amphíbios), from ἀμφί (amphí) + βίος (bíos, “life”).
Etymology from Wiktionary, CC BY-SA 3.0