Where does “fin” come from?

Fin comes from Old French fin, from Latin finis meaning "end" or "boundary," ultimately from Proto-Indo-European dʰeygʷ-.

fin (English): One of the appendages of a fish, used to propel...

Definitions

  1. One of the appendages of a fish, used to propel...

Ancestry of “fin”, step by step

fin traces back through 3 separate lines of ancestry.

via English finasteride

StepLanguageWordMeaning
1EnglishfinasterideA medication used to treat male pattern baldness and benign prostatic hyperplasia in males
2English-sterideUsed to form names of [[w:5α-reductase
3English-ideAny of a group of related compounds - azide,...
4Middle French-ideid (dynast)
5Latin-issuffixed to the root of nouns in composition,...
6Latin-asuffixed to the roots of verbs, forms agent...
7Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
8Proto-Indo-European-éh₂

via Yiddish פֿינף

StepLanguageWordMeaning
1Yiddishפֿינףfive
2Middle High Germanvünf
3Old High Germanfimffive
4Proto-West Germanicfimffive
5Proto-Germanicfimffive
6Proto-Indo-Europeanpénkʷefive

via French fin

StepLanguageWordMeaning
1Frenchfinend, close, finish; end, end goal, objective,...
2Middle Frenchfinend; finish; death
3Old Frenchfinfine, delicate
4Medieval Latinfinisa payment in settlement or tax; end; limit,...
5Proto-Indo-Europeandʰeygʷ-to stick into, pierce; to dig; to ditch; to...

Words derived from “fin

Every word from Proto-Indo-European -éh₂