Where does “posustajati” come from?

posustajati (Serbo-Croatian) comes from Serbo-Croatian sustajati, from Serbo-Croatian stàjati, from Proto-Slavic stojati, from Proto-Slavic stojěti, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei, from Proto-Indo-European -éh₁ti — Creates stative verbs from perfective roots;...

posustajati (Serbo-Croatian): to grow tired, become exhausted; to fall behind,...

Definitions

  1. to grow tired, become exhausted; to fall behind,...

Ancestry of “posustajati”, step by step

posustajati traces back through two separate lines of ancestry.

via Serbo-Croatian sustajati

StepLanguageWordMeaning
1Serbo-Croatiansustajatito grow tired, become exhausted
2Serbo-Croatianstàjatito stand
3Proto-Slavicstojatito stand
4Proto-Slavicstojěti
5Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
6Proto-Balto-Slavic-ēˀtei
7Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...

via Serbo-Croatian po

StepLanguageWordMeaning
1Serbo-Croatianpohalf; for; over, through, across, in, on
2Serbo-Croatianpolpole; sex; gender
3Ancient Greekπόλοςpivot, hinge, axis, pole; axis of the celestial...
4Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European -éh₁tiEvery word from Proto-Slavic -ětiEvery word from Proto-Slavic stojěti