Lewis & Short

eādem, adv. [abl. f., from idem, sc. viā, operā, or parte].

  1. I. By the same way (rare): ut ventum est in trivium, eadem qua ceteri fugere noluit, Cic. Div. 1, 54, 123: eadem revertens, Liv. 5, 46, 3: eadem et Romanos sequentes impetus rapit, id. 4, 33, 12.
  2. II. Transf.
    1. A. (Sc. operā, sometimes expressed, Plaut. Capt. 2, 3, 90; id. Bacch. 1, 1, 26; prop., by the same piece of work, i. e.) At the same time, likewise (ante-class.), Plaut. Trin. 2, 4, 180 (cf. Brix. ad loc.) eādem ego ex hoc quae volo exquaesivero, id. Capt. 2, 2, 43. atque eādem mulieres apparebunt, id. Poen. 3, 3, 3.
    2. B. Repeated: eadem … eadem, now … now, at one time … at another: eadem biberis, eadem dedero tibi ubi biberis savium, Plaut. Bacch. 1, 1, 49 (15).