Where does “sperðill” come from?

sperðill (Icelandic) comes from Old Norse sporðr, from Proto-Indo-European (s)prend- — to spin, to swift; to sprint.

Ancestry of “sperðill”, step by step

StepLanguageWordMeaning
1Old Norsesporðra flat tail, especially for swimming, or like a serpent's, such as the tail of a fish, seal, whale, serpent, dragon, crawfish, beaver
2Proto-Indo-European(s)prend-to spin, to swift; to sprint

Words derived from “sperðill

Every word from Proto-Indo-European (s)prend-Every word from Old Norse sporðr