Where does “lacus” come from?

lacus (Latin) comes from New Latin lacrimalis, from Latin lācrima, from Old Latin dacrima, from Proto-Italic *d(r)(k)akrunā, from Proto-Indo-European dáḱru-, from Proto-Indo-European dr̥ḱ-h₂eḱru- — eye bitter.

lacus (Latin): a lake, pond, basin; reservoir; a tank, tub, vat,...

Definitions

  1. a lake, pond, basin; reservoir; a tank, tub, vat,...

Ancestry of “lacus”, step by step

lacus traces back through two separate lines of ancestry.

via New Latin lacrimalis

StepLanguageWordMeaning
1New Latinlacrimalis
2Latinlācrimaa tear drop of liquid from crying
3Old Latindacrimatear
4Proto-Italic*d(r)(k)akrunā
5Proto-Indo-Europeandáḱru-tears; tear
6Proto-Indo-Europeandr̥ḱ-h₂eḱru-eye bitter

via Proto-Italic lakus

StepLanguageWordMeaning
1Proto-Italiclakuslake
2Proto-Indo-Europeanlokuslake, pool

Words derived from “lacus

Every word from Proto-Indo-European dr̥ḱ-h₂eḱru-