Where does “пирожный” come from?

пирожный (Russian) comes from Russian пиро́г, from Old East Slavic пирогъ, from Proto-Slavic pirogъ, from Proto-Slavic pirъ — fest; party.

пирожный (Russian): pie

Definitions

  1. pie

Ancestry of “пирожный”, step by step

StepLanguageWordMeaning
1Russianпиро́гpie
2Old East Slavicпирогъ—
3Proto-Slavicpirogъtype of pie?
4Proto-Slavicpirъfest; party
Every word from Proto-Slavic pirъ →Every word from Proto-Slavic pirogъ →Every word from Old East Slavic пирогъ →