Proto-Germanic origin
Source-reportedOriginal meaning: not settled in the sources.
Uncertain, cognate with Old English Fitela and possibly Old High German Sintarvizzilo. Ásgeirr Blöndal Magnússon suggests a derivation from Proto-Germanic *Sindrafetilô meaning "Sparkling feet", equivalent to sindr + fet + -ill
Sources for this account (1)
- Wiktionary: SinfjǫtliCC-BY-SA-4.0 · retrieved 2026-10-15

