Where does “monofin” come from?

monofin (English) comes from English fin, from English finasteride, from English -steride, from English -ide, from Middle French -ide, from Latin -is, from Latin -a, from Proto-Italic -ā.

monofin (English): A single fin for both feet, worn in finswimming

Definitions

  1. A single fin for both feet, worn in finswimming

Ancestry of “monofin”, step by step

monofin traces back through two separate lines of ancestry.

via English fin

StepLanguageWordMeaning
1EnglishfinOne of the appendages of a fish, used to propel...
2EnglishfinasterideA medication used to treat male pattern baldness and benign prostatic hyperplasia in males
3English-sterideUsed to form names of [[w:5α-reductase
4English-ideAny of a group of related compounds - azide,...
5Middle French-ideid (dynast)
6Latin-issuffixed to the root of nouns in composition,...
7Latin-asuffixed to the roots of verbs, forms agent...
8Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
9Proto-Indo-European-éh₂

via English mono

StepLanguageWordMeaning
1EnglishmonoClipping of mononucleosis; A bicycle or...
2Englishmono-API; one, single, only
3Ancient Greekμονο-one; mono-
Every word from Proto-Indo-European -éh₂Every word from Latin -isEvery word from Latin -a