From ὥρα the time of full bloom or development. Hence the radical idea of the word includes both blooming maturity and vigor. Appropriate here to the swift, vigorous feet. Plato (“Republic,” x. 601) distinguishes between faces that are beautiful (καλῶν) and blooming (ὡραίων) In Gen 2:9 (Sept.) of the trees of Eden. Compare Mat 23:27; Act 3:2, Act 3:10.
Feet
Emphasizing the rapid approach of the messenger. “In their running and hastening, in their scaling obstructing mountains, and in their appearance and descent from mountains, they are the symbols of the earnestly-desired, winged movement and appearance of the Gospel itself” (Lange). Compare Nah 1:15; Eph 6:15; Rom 3:15; Act 5:9. Paul omits the mountains from the citation. Omit that preach the gospel of peace.