agomphious

The story

1. Ancient Greek · derived fromἀγόμφιος“without molars”
2. English todayagomphious

From Ancient Greek ἀγόμφιος (agómphios, “without molars”) (from ἀ- (a-, “not”) + γομφίος (gomphíos, “molar”), from γόμφος (gómphos, “peg”)) + -ious.