What does ēiă mean in Latin?

ēiă, a interjection, means “ah! ah ha! indeed!”.

interjection

ēiă

ēiă (in MSS. also hēiă), interj. εἴα.

I. An expression of joy or of pleased surprise.

A. In admiring an object, ah! ah ha! indeed! Plaut. Rud. 2, 4, 8; id. Men. 2, 3, 30; Ter. Heaut. 5, 5, 19; 3, 2, 10.—

B. In gentle remonstrance or persuasion, ah! come! heia, mea Juno, non decet te, etc., Plaut. Cas. 2, 3, 14; id. Truc. 4, 2, 8; id. Bacch. 4, 3, 16; 3, 3, 4; Ter. Eun. 5, 8, 35: heia quam ferocula est! Turp. ap. Non. p. 75, 30 (Rib. Fragm. Com. p. 98).—

C. In strong affirmation, Plaut. Ps. 1, 3, 40; id. Bacch. 1, 1, 43; and so ironically: eia credo, id. Capt. 5, 2, 9.—

D. With vero, ironically, expressing amused doubt of what has been said, pshaw! Plaut. Ep. 2, 2, 77; id. Mil. 4, 4, 5; id. Rud. 2, 3, 9; Cic. Rep. 3, 5.—

II. Of impatient exhortation, ho! quick! come on! Plaut. Most. 3, 1, 71; Plin. Ep. 4, 29; Verg. A. 9, 38; Hor. S. 1, 1, 18; 2, 6, 23; in the combination: eia age, come then! up then! Verg. A. 4, 569; Stat. Ach. 2, 198; id. Silv. 1, 2, 266.