Where does “postaĵotruo” come from?

postaĵotruo (Esperanto) comes from Esperanto postaĵo, from Esperanto post, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

Ancestry of “postaĵotruo”, step by step

postaĵotruo traces back through two separate lines of ancestry.

via Esperanto postaĵo

StepLanguageWordMeaning
1Esperantopostaĵoback part, rear; backside, bottom, butt
2Esperantopostafter; behind
3Latinpostbehind; after, since, besides, except; behind,...
4Latinposteablative singular of postis
5Proto-Italicpostibehind, after
6Proto-Indo-Europeanpóstiafter
7Proto-Indo-Europeanpósafterwards, post; by, at

via Esperanto truo

StepLanguageWordMeaning
1Esperantotruohole
2Frenchtrouhole; blank; pause in conversation
3Medieval Latintraugus
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti