Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

antĕ-hāc (old form antĭdhāc, like antidea for antea, and antideo for anteeo, Plaut. Am. 2, 2, 79; id. Aul. 2, 8, 26; id. Cas. prol. 88; id. Cist. 1, 1, 1; 1, 3, 50; id. Ep. 4, 1, 12; id. Bacch. 3, 6, 10; id. Ps. 1, 1, 14; 2, 2, 26; id. Poen. 3, 5, 7.
Antehac, dissyl., Hor. C. 1, 37, 5) [v. antea], before this (present) time, formerly, aforetime, in time past, previously (demonstr.; on the contr. antea, before any fixed time, rel.; cf. antea): quod antehac imperitabam, nunc te oro, Plaut. Capt. 2, 1, 47; id. Mil. 4, 8, 56: magis me benigne nunc salutas, quam antidhac, id. Poen. 3, 5, 7; Ter. And. 1, 2, 16: antehac sperare saltem licebat, nunc etiam id ereptum est, Cic. Fam. 12, 23, 6; Hor. C. 1, 37, 5: utque antehac flagitiis, ita tunc legibus laborabatur, Tac. A. 3, 25.
Sometimes for antea (rel.), before any specified time, earlier, before that time: Nam hic quidem omnem imaginem meam, quae antehac fuerat, possidet, Plaut. Am. 1, 1, 302: ea saepe antehac fidem prodiderat, Sall. C. 25, 4.