Where does “iracki” come from?

iracki (Polish) comes from Polish -ski, from Old Polish -ski, from Proto-Slavic -ьskъ, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

Ancestry of “iracki”, step by step

StepLanguageWordMeaning
1Polish-skiforms surnames; forms adjectives
2Old Polish-skiforms adjectives
3Proto-Slavic-ьskъ-ic, -ish
4Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to
Every word from Proto-Indo-European -iskos →Every word from Polish -ski →Every word from Proto-Slavic -ьskъ →