Lewis & Short

ĕhŏ, interj.; in the comic poets, used in asking, commanding, or scolding,

  1. I. ha? ho! holla! soho!
    1. A. 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.
    2. B. In impetuous commands, Plaut. Most. 3, 2, 157; id. Men. 2, 3, 78; id. Ps. 1, 3, 114; Ter. Ad. 5, 9, 13: eho puer, id. Hec. 4, 4, 97.
    3. C. 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.
  2. II. With affixed dum, Ter. And. 1, 2, 13; 3, 5, 10; 2, 1, 24; id. Eun. 2, 3, 69.