←
Proto-Germanic *ab (inherited)
←
Proto-Germanic *kaupaz (inherited)
←
Middle Low German betalen (derived)
←
Old Danish køpæ (derived)
←
Proto-Indo-European *h₂epó (inherited)
←
Norwegian Bokmål ab (affix)
←
Norwegian Bokmål kjøp (affix)
←
Norwegian Bokmål av (compound)
←
Norwegian Bokmål betale (compound)
←
Norwegian Bokmål av (mention)
←
Norwegian Bokmål betale (mention)
←
Norwegian Bokmål -ing (mention)
←
Norwegian Bokmål kjøpe (mention)
←
Old Norse af (inherited)
←
Old Norse -ingr (derived)
←
Old Norse -ingi (mention)
←
Old Norse -ing (mention)
←
Old Norse kaupa (inherited)