πορφύρω 1 only in pres. and imperf.
I.properly of the sea, ὡς ὅτε πορφύρῃ πέλαγος μέγα κύματι κωφῷ as when the huge sea gleams darkly with dumb swell (i. e. with waves that do not break), Il.
II.after Hom., when the purple-fish (πορφύρα) and its dye became known, to grow purple or red, Bion., Anth.:—so in Mid., εὔδια μέν Anth.
Prob. redupl. from φύρω.