Where does “tunnus” come from?

tunnus (Late Latin) comes from Latin thunnus, from Ancient Greek θύννος, from Ancient Greek θύνω — to rush along.

Ancestry of “tunnus”, step by step

Step	Language	Word	Meaning
1	Latin	thunnus	tuna
2	Ancient Greek	θύννος	tuna
3	Ancient Greek	θύνω	to rush along

Words derived from “tunnus”

Every word from Ancient Greek θύνω →Every word from Ancient Greek θύννος →Every word from Latin thunnus →