Where does “bienniality” come from?

bienniality (English) comes from English biennial, from Latin biennium, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

bienniality (English): The condition of being biennial

Definitions

  1. The condition of being biennial

Ancestry of “bienniality”, step by step

bienniality traces back through two separate lines of ancestry.

via English biennial

StepLanguageWordMeaning
1EnglishbiennialHappening every two years; Lasting for two years;...
2Latinbienniumbiennium; genitive masculine plural of biennis;...
3Latinannusyear; time; season
4Proto-Italicatnosyear
5Proto-Indo-Europeanh₂et-no-
6Proto-Indo-Europeanh₂et-grass

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European h₂et-Every word from Proto-Indo-European h₂et-no-Every word from Proto-Italic atnos