Where does “ῥᾴθυμος” come from?

ῥᾴθυμος (Ancient Greek) comes from Ancient Greek θυμός, from Proto-Hellenic tʰūmós, from Proto-Indo-European dʰuh₂mós, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

ῥᾴθυμος (Ancient Greek): lighthearted, easy-tempered, frivolous, careless

Definitions

  1. lighthearted, easy-tempered, frivolous, careless

Ancestry of “ῥᾴθυμος”, step by step

ῥᾴθυμος traces back through 3 separate lines of ancestry.

via Ancient Greek θυμός

StepLanguageWordMeaning
1Ancient Greekθυμόςsoul, as the seat of emotion, feeling, and...
2Proto-Hellenictʰūmósvapour (?), breath
3Proto-Indo-Europeandʰuh₂móssmoke
4Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Ancient Greek θῡμός

StepLanguageWordMeaning
1Ancient Greekθῡμόςspirit; soul; temper, passion; breath, life,...

via Ancient Greek Ῥᾶ

StepLanguageWordMeaning
1Ancient GreekῬᾶthe river Volga
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰuh₂mósEvery word from Proto-Hellenic tʰūmós