Proto-Sino-Tibetan: *chŏŋ
Meaning: follow, accompany
Tibetan: rʒoŋ(s) the act of accompanying, escorting, rʒoŋ (p. (b)rʒaŋ(s), f. (b)rʒaŋ) to send, to dispatch.
Comments: Cf. also OCh. 送 *sōŋs to escort, follow after, send. Here perhaps Naga *cVŋ 'road' ( < 'trace'?).