ἀργέντιος
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
silvery, silver-coloured; v. ἀργέντινος.
Spanish (DGE)
-ον
plateado, del color de la plata κιθώνιον ἀργέντιον POxy.1310 (III d.C.).