Lewis Short
(interjection) : ĕhŏ, ; in the comic poets, used in asking, commanding, or scolding
* Ha? ho! holla! soho!
* In vehement questions, Plaut. Ep. 3, 4, 69; 5, 2, 22; id. Bacch. 4, 7, 5: eho tu,id. Merc. 1, 2, 77; Ter. And. 5, 4, 5; id. Eun. 4, 4, 24; id. Phorm. 2, 3, 35.
* With affixed dum, Ter. And. 1, 2, 13; 3, 5, 10; 2, 1, 24; id. Eun. 2, 3, 69.
* In angry remonstrance or invective, Plaut. Bacch. 3, 3, 40; id. Mil. 3, 2, 12; id. Pers. 3, 3, 2; Ter. And. 4, 2, 27; id. Phorm. 4, 4, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary