Where does “Mikołajczak” come from?

Mikołajczak (Polish) comes 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 “Mikołajczak”, step by step

Step	Language	Word	Meaning
1	Polish	Mikołaj	—
2	Latin	Nīcolāus	—
3	Ancient Greek	Νικόλαος	Nicolas
4	Ancient Greek	λᾱός	people; men; the people
5	Proto-Hellenic	lāwós	people, crowd
6	Proto-Indo-European	leh₂wos	people
7	Proto-Indo-European	leh₂-	to bark, howl; to be concealed

Words derived from “Mikołajczak”

Mikolajczak

Every word from Proto-Indo-European leh₂- →Every word from Proto-Indo-European leh₂wos →Every word from Proto-Hellenic lāwós →