quavering

quavering (adj.), with voice:

I. Prop. sense: perh. *vox vibrans or vibrissans: v. TO QUAVER.

II. Secondary sense: trembling with emotion (usu. fear): with a q. voice: cf. haec tremente questus ore, Hor. Epod. 5, 11: tremebunda voce, Auct. Her. 3, 4, 25: cf. QUAKING.