Where does “puerilmente” come from?

puerilmente (Italian) comes from Italian -mente, from Latin mente, from Latin mēns, from Proto-Italic mentis, from Proto-Indo-European méntis, from Indo-European *men-.

puerilmente (Italian): childishly

Definitions

childishly

Ancestry of “puerilmente”, step by step

Step	Language	Word	Meaning
1	Italian	-mente	-wise, -ly, -ally
2	Latin	mente	ablative singular of mēns
3	Latin	mēns	mind
4	Proto-Italic	mentis	mind, thought
5	Proto-Indo-European	méntis	thought
6	Indo-European	*men-	—

Every word from Indo-European *men- →Every word from Italian -mente →Every word from Proto-Indo-European méntis →