Where does “Unterstützerin” come from?

Unterstützerin (German) comes from German Unterstützer, from German unterstützen, from German unter-, from German Unter, from Middle High German under, from Old High German untar, from Proto-Germanic under, from Proto-Indo-European h₁entér — in; in, inside.

Ancestry of “Unterstützerin”, step by step

StepLanguageWordMeaning
1GermanUnterstützersupporter, backer
2Germanunterstützento support, to assist, to help, to aid; to...
3Germanunter-sub-, under-
4GermanUnterjack, knave
5Middle High Germanunder
6Old High Germanuntarunder
7Proto-Germanicunderamong, between; under, beneath; under
8Proto-Indo-Europeanh₁entérbetween
9Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European h₁enEvery word from Proto-Indo-European h₁entérEvery word from Proto-Germanic under