←
Old English stēor (cognate)
←
English steer (cognate)
←
Proto-Hellenic *táuros (inherited)
←
Proto-Indo-European *táwros (inherited)
→
Icelandic þjór (cognate)
→
Norwegian Bokmål tyr (cognate)
→
Norwegian Nynorsk tyr (cognate)
→
Old Norse þjórr (cognate)