Where does “Krzywicki” come from?

Krzywicki (English) comes from Polish Krzywicki, from Polish krzywica, from Polish -ica, from Old Polish -ica, from Proto-Slavic -ica — *děva → *děvica; *muxa → *mušica; *noga →...

Ancestry of “Krzywicki”, step by step

Step	Language	Word	Meaning
1	Polish	Krzywicki	—
2	Polish	krzywica	rickets, rachitis
3	Polish	-ica	Forms feminine nouns, especially pejoratives and...
4	Old Polish	-ica	forms feminine nouns
5	Proto-Slavic	-ica	děva → děvica; muxa → mušica; *noga →...

Every word from Proto-Slavic -ica →Every word from Polish -ica →Every word from Old Polish -ica →