Old Norse bitr

← Old English biter (mention)

← German bitter (mention)

← English bitter (mention)

← Proto-Germanic *bitraz (inherited)

← Old High German bittar (mention)

← Proto-Indo-European *bʰeyd- (root)

← Low German bitter (mention)

← Old Saxon bittar (mention)

→ Old English biter (cognate)

→ Old High German bittar (cognate)

→ Icelandic bitur (derived)

→ Norwegian Bokmål bitter (derived)

→ Norwegian Nynorsk bitter (derived)

→ Old Norse bitrleikr (suffix)

→ Old Saxon bittar (cognate)

→ Swedish bitter (derived)