Where does “Staśko” come from?

Staśko (Polish) comes from Polish Staś, from Polish Stanisław, from Polish stać, from Polish stojać, from Proto-Slavic stojati, from Proto-Slavic stojěti, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei — Creates stative verbs from perfective roots;...

Ancestry of “Staśko”, step by step

StepLanguageWordMeaning
1PolishStaś
2PolishStanisław
3Polishstaćto stand; to stagnate; to happen, to bechance
4Polishstojać
5Proto-Slavicstojatito stand
6Proto-Slavicstojěti
7Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
8Proto-Balto-Slavic-ēˀtei
9Proto-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