Where does “subolens” come from?

subolens (Latin) comes from Latin suboleo, from Latin oleō, from Proto-Italic oleō, from Proto-Indo-European h₂oléye-, from Proto-Indo-European h₂él- — to grow, nourish.

Definitions

Ancestry of “subolens”, step by step

StepLanguageWordMeaning
1LatinsuboleoI emit a faint smell
2Latinoleō—
3Proto-Italicoleōto stoke a fire by burning a sacrifice
4Proto-Indo-Europeanh₂oléye-—
5Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₂él- →Every word from Proto-Indo-European h₂oléye- →Every word from Proto-Italic oleō →