Where does “septavalent” come from?

septavalent (English) comes from English valent, from English Valence, from French Valence, from Latin Valentia, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

septavalent (English): Heptavalent

Definitions

  1. Heptavalent

Ancestry of “septavalent”, step by step

StepLanguageWordMeaning
1EnglishvalentHaving valence
2EnglishValenceThe number of arguments that a verb can have, including its subject, ranging from zero to three or, less commonly, four
3FrenchValencevalence
4LatinValentiahealth, vigour, bodily strength
5Latin-iaUsed to form a feminine abstract noun, usually...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius