Where does “Ersatzfahrplan” come from?

Ersatzfahrplan (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.

Ersatzfahrplan (German): replacement schedule

Definitions

  1. replacement schedule

Ancestry of “Ersatzfahrplan”, step by step

Ersatzfahrplan 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 Fahrplan

StepLanguageWordMeaning
1GermanFahrplantimetable
2Germanplanplanar, flat; plain, forthright
3Frenchplanplan; map; plane
4Frenchplainplane
5Old Frenchplainfull; plain; flat
6Latinplēnusfull; filled; complete
7Proto-Italicplēnosfull
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European -yetiEvery word from Proto-Indo-European -éyetiEvery word from Proto-Indo-European sodéyeti