Where does “боростуой” come from?

боростуой (Yakut) comes from Russian просто́й, from Russian проста́ивать, from Russian простоять, from Russian стоя́ть, from Old East Slavic стоꙗти, from Proto-Slavic stojati, from Proto-Slavic stojěti, from Proto-Slavic -ěti — Creates stative verbs from perfective roots;...

боростуой (Yakut): simple (whether of aesthetics or personality)

Definitions

  1. simple (whether of aesthetics or personality)

Ancestry of “боростуой”, step by step

StepLanguageWordMeaning
1Russianпросто́йsimple; ordinary
2Russianпроста́иватьto stand, to stay for some time
3Russianпростоятьto stand, to stay; to stand idle; to stand, to...
4Russianстоя́тьto stand
5Old East Slavicстоꙗтиto stand
6Proto-Slavicstojatito stand
7Proto-Slavicstojěti
8Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
9Proto-Balto-Slavic-ēˀtei
10Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...
Every word from Proto-Indo-European -éh₁tiEvery word from Proto-Slavic -ětiEvery word from Proto-Slavic stojěti