Where does “oturub-durma” come from?

oturub-durma (Azerbaijani) comes from Azerbaijani oturub-durmaq, from Azerbaijani oturmaq, from Proto-Turkic oltur-, from Proto-Turkic ol- — to be, become; to ripe.

Ancestry of “oturub-durma”, step by step

StepLanguageWordMeaning
1Azerbaijanioturub-durmaqto associate, to consort
2Azerbaijanioturmaqto sit; to take root
3Proto-Turkicoltur-to sit; to dwell, reside
4Proto-Turkicol-to be, become; to ripe
Every word from Proto-Turkic ol-Every word from Proto-Turkic oltur-Every word from Azerbaijani oturmaq