Where does “запросто” come from?

запросто (Russian) comes from Russian про́сто, 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 — Creates stative verbs from perfective roots;...

запросто (Russian): easily, just like that (without observance of generally accepted formalities; without ceremony, without hesitation)

Definitions

  1. easily, just like that (without observance of generally accepted formalities; without ceremony, without hesitation)

Ancestry of “запросто”, step by step

StepLanguageWordMeaning
1Russianпро́стоsimply, plainly, just
2Russianпросто́йsimple; ordinary
3Russianпроста́иватьto stand, to stay for some time
4Russianпростоятьto stand, to stay; to stand idle; to stand, to...
5Russianстоя́тьto stand
6Old East Slavicстоꙗтиto stand
7Proto-Slavicstojatito stand
8Proto-Slavicstojěti
9Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
10Proto-Balto-Slavic-ēˀtei
11Proto-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