μεγαλόψυχον

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

Russian (Dvoretsky)

μεγᾰλόψῡχον: τό величие духа, отвага (τῆς Ῥωμαίων αἱρέσεως Polyb.).