Where does “postmorgaŭ” come from?

postmorgaŭ (Esperanto) comes from Esperanto morgaŭ, from Yiddish מאָרגן, from Middle High German morgen, from Old High German morgan, from Proto-West Germanic morgan, from Proto-Germanic murganaz, from Proto-Indo-European mr̥kéno, from Proto-Indo-European mr̥Hko — to die; to disappear; sea, lake, wetland.

postmorgaŭ (Esperanto): on the day after tomorrow

Definitions

  1. on the day after tomorrow

Ancestry of “postmorgaŭ”, step by step

postmorgaŭ traces back through two separate lines of ancestry.

via Esperanto morgaŭ

StepLanguageWordMeaning
1Esperantomorgaŭtomorrow
2Yiddishמאָרגןmorning; tomorrow
3Middle High Germanmorgen
4Old High Germanmorganmorning
5Proto-West GermanicmorganAlternative form of *morgin
6Proto-GermanicmurganazAlternative form of *murginaz; morning
7Proto-Indo-Europeanmr̥kéno
8Proto-Indo-Europeanmr̥Hkoto blink, twinkle
9Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via Esperanto post

StepLanguageWordMeaning
1Esperantopostafter; behind
2Latinpostbehind; after, since, besides, except; behind,...
3Latinposteablative singular of postis
4Proto-Italicpostibehind, after
5Proto-Indo-Europeanpóstiafter
6Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European mer-Every word from Proto-Indo-European mr̥HkoEvery word from Proto-Indo-European mr̥kéno