Did they not hear? (mē ouk ēkousaṅ). Rather, “Did they fail to hear?” (expecting the negative answer mē, while ouk blends with the verb). See note on 1Co 9:5 for this construction.
Yea, verily (menounge). Triple particle (men, oun, ge) as in Rom 9:20.
Sound (phthoggos). Vibration of a musical string. See note on 1Co 14:7. Only two N.T. examples.
The world (tēs oikoumenēs). The inhabited earth as in Luk 2:1.