SILVERN
silver, silvern, silvery
(adjective) having the white lustrous sheen of silver; “a land of silver (or silvern) rivers where the salmon leap”; “repeated scrubbings have given the wood a silvery sheen”
silvern, silvery
(adjective) resembling or reminiscent of silver; “a soft silvern voice”; “singing in her silvery tones”
Source: WordNet® 3.1
Etymology
Adjective
silvern (not comparable)
(literary) Made of silver; or resembling or characteristic of silver; silvery.
Source: Wiktionary
Sil"vern, a. Etym: [AS. seolfern, sylfren.]
Definition: Made of silver. [Archaic.] Wyclif (Acts xix. 24).
Speech is silvern; silence is golden. Old Proverb.
Source: Webster’s Unabridged Dictionary 1913 Edition