Old English bysen

← Proto-Germanic *būsniz (inherited)

← Proto-Germanic *beudaną (mention)

← Proto-West Germanic *būsni (inherited)

← Gothic 𐌰𐌽𐌰𐌱𐌿𐍃𐌽𐍃 (cognate)

← Proto-Indo-European *bʰewdʰ- (root)

← Proto-Indo-European *bʰewdʰ- (derived)

← Old Norse býsn (cognate)

← Old Saxon ambusan (cognate)

→ Old English forebisen (prefix)

→ Old English forebisen (mention)