וַיָּכִ֙ינוּ֙ אֶת־הַמִּנְחָ֔ה עַד־בּ֥וֹא יוֹסֵ֖ף בַּֽצָּהֳרָ֑יִם כִּ֣י שָֽׁמְע֔וּ כִּי־שָׁ֖ם יֹ֥אכְלוּ לָֽחֶם׃
און זײ האָבן צוגעגרײט די מתּנה אײדער יוֹסף װעט קומען אום מיטאָג, װאָרום זײ האָבן געהערט אַז דאָרטן װעלן זײ עסן ברױט.
Rashi
ויכינו means AND THEY MADE READY — they laid it out ornately in fine vessels.
Rashbam
ויכינו את המנחה, while the produce had been wrapped in the sacks on the way, it had suffered somewhat, and the brothers now tried to restore these items to the appearance of freshness.
Radak
ויכינו, they arranged the gifts they had brought in a manner that would look appropriately impressive by the time Joseph would come home.