Where does “ano” come from?

ano (Macanese) comes from Portuguese ano, from Old Portuguese ano, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

ano (Macanese): year

Definitions

year

Ancestry of “ano”, step by step

Step	Language	Word	Meaning
1	Portuguese	ano	year
2	Old Portuguese	ano	year
3	Latin	annus	year; time; season
4	Proto-Italic	atnos	year
5	Proto-Indo-European	h₂et-no-	—
6	Proto-Indo-European	h₂et-	grass

Every word from Proto-Indo-European h₂et- →Every word from Proto-Indo-European h₂et-no- →Every word from Proto-Italic atnos →