Where does “pieszczaty” come from?

pieszczaty (Polish) comes from Polish piasek, from Proto-Slavic pěsъkъ, from Proto-Indo-European pē(n)s-u-ko-.

Ancestry of “pieszczaty”, step by step

StepLanguageWordMeaning
1Polishpiaseksand
2Proto-Slavicpěsъkъsand
3Proto-Indo-Europeanpē(n)s-u-ko-—
Every word from Proto-Indo-European pē(n)s-u-ko- →Every word from Proto-Slavic pěsъkъ →Every word from Polish piasek →