Where does “pullārium” come from?

pullārium (Latin) comes from Latin pullārius, from Latin pullus, from Proto-Indo-European polHwós, from Proto-Indo-European pelH- — pale, gray.

Ancestry of “pullārium”, step by step

Step	Language	Word	Meaning
1	Latin	pullārius	of or pertaining to young chicks, esp. as used in divination
2	Latin	pullus	A young animal; darling; dark-colored; dusky
3	Proto-Indo-European	polHwós	pale, gray
4	Proto-Indo-European	pelH-	pale, gray