To χάρις ὑμῖν οὕτω τίθησιν κτλ. → Thus he writes joy to you all, etc. (Cramer's Catena on 1 Thessalonians 1.1)
simplĭco: āre, v. a. simplex,
I to make single or simple: radicem, to strike a single root, Pall. Jan. 15, 15.
simplĭcō, āre (simplex), tr., produire un seul : Pall. 2, 15, 15.