Where does “Mikolajczak” come from?

Mikolajczak (English) comes from Polish Mikołajczak, from Polish Mikołaj, from Latin Nīcolāus, from Ancient Greek Νικόλαος, from Ancient Greek λᾱός, from Proto-Hellenic lāwós, from Proto-Indo-European leh₂wos, from Proto-Indo-European leh₂- — to bark, howl; to be concealed.

Ancestry of “Mikolajczak”, step by step

StepLanguageWordMeaning
1PolishMikołajczak—
2PolishMikołaj—
3LatinNīcolāus—
4Ancient GreekΝικόλαοςNicolas
5Ancient Greekλᾱόςpeople; men; the people
6Proto-Helleniclāwóspeople, crowd
7Proto-Indo-Europeanleh₂wospeople
8Proto-Indo-Europeanleh₂-to bark, howl; to be concealed
Every word from Proto-Indo-European leh₂- →Every word from Proto-Indo-European leh₂wos →Every word from Proto-Hellenic lāwós →