LXX Deut 26:12

Ἐὰν δὲ συντελέσῃς ἀποδεκατῶσαι πᾶν τὸ ἐπιδέκατον τῶν γενημάτων σου ἐν τῷ ἔτει τῷ τρίτῳ, τὸ δεύτερον ἐπιδέκατον δώσεις τῷ Λευείτῃ καὶ τῷ προσηλύτῳ καὶ τῷ ὀρφανῷ καὶ τῇ χήρᾳ, καὶ φάγονται ἐν ταῖς πόλεσίν σου καὶ εὐφρανθήσονται.

When you have finished laying aside a tenth of all your produce in the third year, the year of the tithe, you are to give it to the Levite, the foreigner, the fatherless, and the widow, that they may eat and be filled within your gates.