Where does “Celestynów” come from?

Celestynów (Polish) comes from Polish Celestyn, from Latin caelestinus, from Latin caelestis, from Latin caelum, from Proto-Italic kailom, from Proto-Indo-European keh₂i-lom, from Proto-Indo-European keh₂i-.

Ancestry of “Celestynów”, step by step

Step	Language	Word	Meaning
1	Polish	Celestyn	celestine
2	Latin	caelestinus	heavenly
3	Latin	caelestis	celestial, of or in the heavens, heavenly;...
4	Latin	caelum	heaven; sky; atmosphere, climate, weather
5	Proto-Italic	kailom	sky
6	Proto-Indo-European	keh₂i-lom	whole
7	Proto-Indo-European	keh₂i-	—

Every word from Proto-Indo-European keh₂i- →Every word from Proto-Indo-European keh₂i-lom →Every word from Proto-Italic kailom →