ἀργέντιος
From LSJ
νίψον ἀνομήματα, μὴ μόναν ὄψιν → wash the sins, not only the face | wash my transgressions, not only my face
English (LSJ)
silvery, silver-coloured; v. ἀργέντινος.
Spanish (DGE)
-ον
plateado, del color de la plata κιθώνιον ἀργέντιον POxy.1310 (III d.C.).