Where does “ἀτοπία” come from?

ἀτοπία (Ancient Greek) comes from Ancient Greek ἄτοπος, from Latin Dentatus, from Latin dēns, from Italian dente, from Latin dens, from Proto-Italic dents, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.

ἀτοπία (Ancient Greek): extraordinariness, uncommonness