←
Old English þunor (inherited)
←
Middle English thunder (inherited)
←
Middle English thonre (mention)
←
Middle English þunre (mention)
←
West Frisian tonger (cognate)
←
Proto-Germanic *þunraz (inherited)
←
Proto-West Germanic *þunr (inherited)
←
Ancient Greek στένω (cognate)
←
Ancient Greek στόνος (mention)
←
Proto-Indo-European *(s)ten- (derived)
←
Norwegian Nynorsk tore (cognate)
←
Old Norse Þórr (cognate)
→
Norwegian Nynorsk tore (link)
→
Old Norse Þórr (mention)
→
Serbo-Croatian tutanj (link)
→
Tok Pisin tanda (derived)