Where does “Ersatzteil” come from?

Ersatzteil (German) comes from German Ersatz, from German ersetzen, from Middle High German ersetzen, from Old High German irsezzen, from Proto-Germanic *uʀsattjan, from Proto-Germanic *sattjan, from Proto-Germanic satjaną, from Proto-Indo-European sodéyeti — Creates transitive imperfective verbs from roots.

Ersatzteil (German): spare part, replacement part

Definitions

  1. spare part, replacement part

Ancestry of “Ersatzteil”, step by step

Ersatzteil traces back through two separate lines of ancestry.

via German Ersatz

StepLanguageWordMeaning
1GermanErsatzreplacement, substitute; compensation
2Germanersetzento replace, to substitute
3Middle High Germanersetzen
4Old High Germanirsezzen
5Proto-Germanic*uʀsattjan
6Proto-Germanic*sattjan
7Proto-Germanicsatjanąto set, to place down
8Proto-Indo-Europeansodéyetito set, to seat, to cause to sit
9Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
10Proto-Indo-European-yetiCreates transitive imperfective verbs from roots

via German Teil

StepLanguageWordMeaning
1GermanTeilpart, piece; fraction of a whole; thing
2Middle High Germanteil
3Old High Germanteil
4Proto-West Germanicdailipart
5Proto-Germanicdailizpart, portion, deal
6Proto-Indo-Europeandʰayl-part, watershed
Every word from Proto-Indo-European -yetiEvery word from Proto-Indo-European -éyetiEvery word from Proto-Indo-European sodéyeti