←
Old English spura (inherited)
←
Old English spora (mention)
←
Middle English spure (inherited)
←
Middle English spore (mention)
←
Proto-Germanic *spurô (inherited)
←
Proto-Indo-European *sper- (derived)
←
Proto-Indo-European *sperw- (mention)
→
English spurn (mention)
→
Norwegian Bokmål spore (link)
→
Norwegian Nynorsk spore (link)