Where does “sesquidecennale” come from?

sesquidecennale (Italian) comes from Italian decennale, from Latin decennālis, from Latin decennium, from Latin decennis, from Latin annus, from Proto-Italic atnos, from Proto-Indo-European h₂et-no-, from Proto-Indo-European h₂et- — grass.

sesquidecennale (Italian): sesquidecennial

Definitions

  1. sesquidecennial

Ancestry of “sesquidecennale”, step by step

StepLanguageWordMeaning
1Italiandecennaleten-yearly, decennial; Tenth anniversary;...
2Latindecennālisdecennal, of or related to a 10-year period
3Latindecenniumdecennium; decade
4Latindecennisdecennial, of ten years
5Latinannusyear; time; season
6Proto-Italicatnosyear
7Proto-Indo-Europeanh₂et-no-
8Proto-Indo-Europeanh₂et-grass
Every word from Proto-Indo-European h₂et-Every word from Proto-Indo-European h₂et-no-Every word from Proto-Italic atnos
sesquidecennale — Etymology, Origin & Word History | Etymology Explorer