Where does “młodzieńki” come from?

młodzieńki (Polish) comes from Polish młody, from Old Polish młody, from Proto-Slavic moldъ, from Proto-Indo-European *ml̥dus, from Proto-Indo-European (s)meld- — to soften, to melt.

Ancestry of “młodzieńki”, step by step

StepLanguageWordMeaning
1Polishmłodyyoung
2Old Polishmłodyyoung
3Proto-Slavicmoldъyoung
4Proto-Indo-European*ml̥dussoft, weak
5Proto-Indo-European(s)meld-to soften, to melt
Every word from Proto-Indo-European (s)meld- →Every word from Proto-Indo-European *ml̥dus →Every word from Proto-Slavic moldъ →