Where does “vernal pool” come from?

vernal pool (English) comes from English vernal, from Latin vernālis, from Latin vernus, from Latin vēr, from Latin veror, from Proto-Italic wezor, from Proto-Indo-European wósr̥ — spring.

vernal pool (English): A temporary pool that occurs seasonally in places with poor drainage, often with the onset of spring rains

Definitions

  1. A temporary pool that occurs seasonally in places with poor drainage, often with the onset of spring rains

Ancestry of “vernal pool”, step by step

vernal pool traces back through two separate lines of ancestry.

via English vernal

StepLanguageWordMeaning
1EnglishvernalPertaining to or occurring in spring; Having...
2Latinvernālisspring the season; vernal
3Latinvernusspring; vernal
4Latinvērspring
5Latinveror
6Proto-Italicwezorspring
7Proto-Indo-Europeanwósr̥spring

via English Pool

StepLanguageWordMeaning
1EnglishPoolOS grid ref SW6641
2Middle Englishpool
3Old Englishpōlpool
4Proto-West Germanic*pōl
5Proto-Germanicpōlazpool
6Proto-Indo-Europeanbale-bog, marsh
7Yorubailéhome; house
Every word from Proto-Indo-European wósr̥Every word from Proto-Italic wezorEvery word from Latin veror