Where does “trifrequency” come from?

trifrequency (English) comes from English frequency, from Latin frequentia, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

trifrequency (English): Involving three frequencies

Definitions

  1. Involving three frequencies

Ancestry of “trifrequency”, step by step

trifrequency traces back through two separate lines of ancestry.

via English frequency

StepLanguageWordMeaning
1EnglishfrequencyThe rate of occurrence of anything; the...
2Latinfrequentiacrowd, multitude, throng
3Latin-iaUsed to form a feminine abstract noun, usually...
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius
trifrequency — Etymology, Origin & Word History | Etymology Explorer