Hebrews 1:7

7Andκαὶas toπρὸςindeedμὲνtheτοὺςangelsἀγγέλουςHe saysλέγει·The [One]Ὁmakingποιῶνtheτοὺςangelsἀγγέλουςof Himαὐτοῦwindsπνεύματα,andκαὶtheτοὺςministersλειτουργοὺςof Himαὐτοῦof fireπυρὸςa flameφλόγα·

And indeed to the angels He says: “The One making His angels winds, and His ministers a flame of fire.”