Where does “влагостойкий” come from?

влагостойкий (Russian) comes from Russian сто́йкий, from Russian сто́йка, from Russian стоя́ть, from Old East Slavic стоꙗти, from Proto-Slavic stojati, from Proto-Slavic stojěti, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei — Creates stative verbs from perfective roots;...

влагостойкий (Russian): dampproof, moisture-proof

Definitions

  1. dampproof, moisture-proof

Ancestry of “влагостойкий”, step by step

влагостойкий traces back through two separate lines of ancestry.

via Russian сто́йкий

StepLanguageWordMeaning
1Russianсто́йкийrobust, sturdy, hardy, durable
2Russianсто́йкаstand (a device to hold something upright or aloft)
3Russianстоя́тьto stand
4Old East Slavicстоꙗтиto stand
5Proto-Slavicstojatito stand
6Proto-Slavicstojěti—
7Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
8Proto-Balto-Slavic-ēˀtei—
9Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...

via Russian вла́га

StepLanguageWordMeaning
1Russianвла́гаmoisture
2Old Church Slavonicвлагаmoisture
3Proto-Slavicvolgamoisture
4Proto-Balto-Slavicwálˀgāˀ—
5Proto-Indo-Europeanwolg-eh₂—
6Proto-Indo-Europeanwelg-wet, damp
Every word from Proto-Indo-European -éh₁ti →Every word from Proto-Slavic -ěti →Every word from Proto-Slavic stojěti →