Where does “heroes” come from?

heroes (Middle English) comes from Old French heroes, from Latin hērōs, from Ancient Greek ἥρως, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “heroes”, step by step

StepLanguageWordMeaning
1Old Frenchheroes
2Latinhērōsdemigod, hero
3Ancient Greekἥρωςa hero of the Trojan War: any of the major...
4Proto-Indo-Europeansēr-to flow
5Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “heroes

Every word from Proto-Indo-European ser-Every word from Proto-Indo-European sēr-Every word from Ancient Greek ἥρως