Where does “idos” come from?

idos (Portuguese) comes from Latin Idus, from Swedish id, from Old Swedish idhe, from Old Norse *iði, from Old Norse iðja, from Old Norse ið — work; a restless motion.

idos (Portuguese): ides fifteenth day of March, May, July and October in the Roman calendar

Definitions

ides fifteenth day of March, May, July and October in the Roman calendar

Ancestry of “idos”, step by step

Step	Language	Word	Meaning
1	Latin	Idus	Alternative form of īdūs: the ides of a Roman...
2	Swedish	id	effort, work, occupation; the tree "Taxus...
3	Old Swedish	idhe	—
4	Old Norse	*iði	—
5	Old Norse	iðja	to be active, do, perform
6	Old Norse	ið	work; a restless motion

Every word from Old Norse ið →Every word from Old Norse iðja →Every word from Old Norse *iði →