Where does “φθορία” come from?
φθορία (Ancient Greek) comes from Ancient Greek φθείρω, from Proto-Hellenic kʷʰtʰéřřō, from Proto-Indo-European dʰgʷʰér-ye-ti, from Proto-Indo-European dʰgʷʰer- — flow, diverge; perish.
φθορία (Ancient Greek): corruption, mischief
Ancestry of “φθορία”, step by step