Exodus 34:35

וְרָא֤וּ בְנֵֽי־יִשְׂרָאֵל֙ אֶת־פְּנֵ֣י מֹשֶׁ֔ה כִּ֣י קָרַ֔ן ע֖וֹר פְּנֵ֣י מֹשֶׁ֑ה וְהֵשִׁ֨יב מֹשֶׁ֤ה אֶת־הַמַּסְוֶה֙ עַל־פָּנָ֔יו עַד־בֹּא֖וֹ לְדַבֵּ֥ר אִתּֽוֹ׃ ס

καὶ ἴδον οἱ υἱοὶ Ἰσραὴλ τὸ πρόσωπον ὅτι δεδόξασται· καὶ περιέθηκεν Μωυσῆς κάλυμμα ἐπὶ τὸ ἑαυτοῦ, ἕως ἄν εἰσέλθῃ συνλαλεὶν αὐτῷ.

Greek text from Swete's edition, CC BY-SA 4.0

Y veían los hijos de Israel el rostro de Moisés, que la tez de su rostro era resplandeciente; y volvía Moisés á poner el velo sobre su rostro, hasta que entraba á hablar con El.

and the Israelites would see that the face of Moses was radiant. So Moses would put the veil back over his face until he went in to speak with the LORD.