←
Proto-Germanic *þulāną (inherited)
←
Proto-Indo-European *telh₂- (root)
→
Old Swedish þola (inherited)
→
Icelandic þola (inherited)
→
Norwegian Bokmål tåle (derived)
→
Norwegian Nynorsk tola (derived)
→
Norwegian Nynorsk tole (derived)
→
Swedish tåla (inherited)