Where does “finn” come from?

finn (Old English) comes from Proto-Germanic finnō, from Proto-Indo-European (s)pīn- — backbone, dorsal fin; backbone; dorsal fin.

finn (Old English): fin

Definitions

  1. fin

Ancestry of “finn”, step by step

finn traces back through two separate lines of ancestry.

via Proto-Germanic finnō

StepLanguageWordMeaning
1Proto-Germanicfinnōflipper; fin
2Proto-Indo-European(s)pīn-backbone, dorsal fin; backbone; dorsal fin

via Proto-Germanic finǭ

StepLanguageWordMeaning
1Proto-Germanicfinǭdorsal fin
Every word from Proto-Indo-European (s)pīn- →Every word from Proto-Germanic finnō →
finn — Etymology, Origin & Word History | Etymology Explorer