Where does “octennial” come from?

octennial (English) comes from English oct, from Proto-Slavic ocьtъ, from Gothic 𐌰𐌺𐌴𐌹𐍄, from Latin acētum, from French -ate, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos — Forms adjectives from nouns, indicating the possession of a thing or a quality.

octennial (English): Occurring every eight years; Lasting or taking...

Definitions

  1. Occurring every eight years; Lasting or taking...

Ancestry of “octennial”, step by step

StepLanguageWordMeaning
1EnglishoctAbbreviation of octal
2Proto-Slavicocьtъvinegar
3Gothic𐌰𐌺𐌴𐌹𐍄vinegar
4Latinacētumvinegar
5French-ateate
6Latin-ātused
7Proto-Italic-ātos
8Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality

Words derived from “octennial

Every word from Proto-Indo-European -éh₂tosEvery word from Latin -ātusEvery word from French -ate