τουτωνί

From LSJ

To χάρις ὑμῖν οὕτω τίθησιν κτλ. → Thus he writes joy to you all, etc. (Cramer's Catena on 1 Thessalonians 1.1)

Source

French (Bailly abrégé)

gén. pl. att. de οὗτος.

Russian (Dvoretsky)

τουτωνί: gen. pl. к οὑτοσί.