Where does “annosity” come from?

annosity (English) comes from Latin annositas, from Latin annōsus, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

annosity (English): Fullness of years; great length of life;...

Definitions

  1. Fullness of years; great length of life;...

Ancestry of “annosity”, step by step

StepLanguageWordMeaning
1Latinannositasfulness of years, old age, agedness, annosity
2Latinannōsusfull of years, old, aged
3Latinannusyear; time; season
4Proto-Italicatnosyear
5Proto-Indo-Europeanh₂et-no-—
6Proto-Indo-Europeanh₂et-grass
Every word from Proto-Indo-European h₂et- →Every word from Proto-Indo-European h₂et-no- →Every word from Proto-Italic atnos →
annosity — Etymology, Origin & Word History | Etymology Explorer