←
Proto-Germanic *witaną (inherited)←
Proto-Germanic *wītaną (inherited)←
Proto-West Germanic *witan (inherited)←
Proto-Indo-European *wóyde (inherited)←
Proto-Indo-European *weyd- (mention)→
Middle Low German weten (inherited)→
Low German weten (inherited)→
Old Norse vita (cognate)→
Old Saxon nis (mention)→
Old Saxon nitan (mention)