←
Proto-Brythonic *kaɨθ (inherited)
←
Proto-Indo-European *keh₂p- (root)
←
Proto-Indo-European *kh₂ptós (inherited)
←
Old Welsh kaeth (inherited)
←
Old Welsh kaet (mention)
←
Old Welsh cahet (mention)
←
Old Welsh cayt (mention)
→
Old English hæft (cognate)