Where does “tentāculum” come from?

tentāculum (Translingual) comes from Latin tento, from Latin tentus, from Latin teneō, from Proto-Italic tenēō, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “tentāculum”, step by step

StepLanguageWordMeaning
1LatintentoI handle, touch; I try, test
2Latintentusstretched; stretched out; extended; distended;...
3Latinteneōto hold, have; to grasp
4Proto-Italictenēōto hold
5Proto-Indo-Europeanten-to stretch, to extend

Words derived from “tentāculum

Every word from Proto-Indo-European ten-Every word from Proto-Italic tenēōEvery word from Latin teneō