Where does “finspine” come from?

finspine (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.

finspine (English): A bony structure supporting the fins in some fish

Definitions

  1. A bony structure supporting the fins in some fish

Ancestry of “finspine”, step by step

finspine 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 spine

StepLanguageWordMeaning
1EnglishspineThe series of bones situated at the back from the...
2Middle EnglishspyneA spine
3Old Frenchespinespine; backbone; spine; spike
4Latinspīnaa thorn or a thorny tree or shrub, such as whitethorn, hawthorn, or blackthorn
5Proto-Italicspeināthorn
6Proto-Indo-Europeanspēy-to stretch; thrive; succeed
Every word from Proto-Indo-European -éh₂Every word from Latin -isEvery word from Latin -a