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 -yeti →Every word from Proto-Indo-European -éyeti →Every word from Proto-Indo-European sodéyeti →