Where does “puerile” come from?

puerile (Latin) comes from Latin puerilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

puerile (Latin): nominative neuter singular of puerīlis;...

Definitions

  1. nominative neuter singular of puerīlis;...

Ancestry of “puerile”, step by step

StepLanguageWordMeaning
1Latinpuerilisboyish, youthful; immature, childish
2Latin-ilis-ile
3Proto-Italic-elis—
4Proto-Indo-European-elis—
5Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lós →Every word from Latin -ilis →Every word from Latin puerilis →