Where does “hader” come from?

hader (Middle High German) comes from Old High German hadu-, from Proto-West Germanic *haþu, from Proto-Germanic haþuz, from Proto-Indo-European kéh₃tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “hader”, step by step

StepLanguageWordMeaning
1Old High Germanhadu-war, battle: used to form names
2Proto-West Germanic*haþubattle, fight
3Proto-Germanichaþuzbattle, fight
4Proto-Indo-Europeankéh₃tusfight
5Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “hader”

Every word from Proto-Indo-European -tus →Every word from Proto-Indo-European kéh₃tus →Every word from Proto-Germanic haþuz →