Old Norse -faldr

← Proto-Germanic *-falþaz (inherited)

← Proto-Indo-European *pel- (root)

← Proto-Indo-European *-poltos (inherited)

← Proto-Indo-European *pel- (mention)

→ Old English -feald (cognate)

→ Danish fold (inherited)

→ Gothic -𐍆𐌰𐌻𐌸𐍃 (cognate)

→ Icelandic -faldur (inherited)

→ Old Norse falda (link)

→ Old Norse tvífaldr (affix)

→ Old Saxon -fald (cognate)

→ Swedish -falt (inherited)