Old English swamm

← Old English swom (alter)

← German Schwamm (cognate)

← English swamp (mention)

← Proto-Germanic *swammaz (inherited)

← Old High German swamb (cognate)

← Gothic 𐍃𐍅𐌰𐌼𐌼𐍃 (cognate)

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

← Old Norse svǫppr (cognate)

→ English swamp (inherited)

→ Old English meteswamm (compound)

→ Old English feldswamm (compound)

→ German Schwamm (cognate)