سَالِمًا غَانِمًا
Translation: Return safe and successful.
تَرْجِعُ: understood present-tense verb, expressing a wish for the addressee’s return.
أَنْتَ: understood subject of tarjiʿu, referring to the traveler.
سَالِمًا: first accusative ḥāl (safely).
غَانِمًا: second accusative ḥāl (successfully), with the same referent.
Only the two accusative words are pronounced; the farewell context supplies the omitted governor.