before 900;Middle Englishsilver(e)n, selvern,Old Englishseolfren, seolfern. See silver, -en2
British Dictionary definitions for silvern
silvern
/ˈsɪlvən/
adjective
1.
(archaic or poetic) silver
Word Origin and History for silvern
adj.
Middle English silveren, from Old English seolfren "made of silver;" see silver (n.) + -en (2). Cf. German silbern, Dutch zilveren. Fallen from use in English except in poetry.