amphibian

What it means

1. not comparableOf or relating to the class Amphibia.
2. not comparableCapable of operating on both land and water; amphibious.
3. not comparableobsoleteHaving two natures.

Where it comes from

1. Ancient Greekἀμφίβιος
2. Latinamphibius
3. Englishamphibian

Learned borrowing from Latin amphibius [from Ancient Greek ἀμφίβιος (amphíbios), from ἀμφίς (amphís, “of both kinds”) + βίος (bíos, “life”)] + -an.