Where does “φθίσις” come from?

φθίσις (Ancient Greek) comes from Proto-Hellenic kʷʰtʰítis, from Proto-Indo-European dʰgʷʰítis, from Proto-Indo-European dʰgʷʰey- — to decline; to perish.

φθίσις (Ancient Greek): decline, decay

Definitions

  1. decline, decay

Ancestry of “φθίσις”, step by step

φθίσις traces back through two separate lines of ancestry.

via Proto-Hellenic kʷʰtʰítis

StepLanguageWordMeaning
1Proto-Hellenickʷʰtʰítis
2Proto-Indo-Europeandʰgʷʰítisdecay; destruction; perishing, destruction,...
3Proto-Indo-Europeandʰgʷʰey-to decline; to perish

via Ancient Greek φθίω

StepLanguageWordMeaning
1Ancient GreekφθίωI waste away; to perish, waste away, decay

Words derived from “φθίσις

Every word from Proto-Indo-European dʰgʷʰey-Every word from Proto-Indo-European dʰgʷʰítisEvery word from Proto-Hellenic kʷʰtʰítis