a. and sb. Med. [mod. f. Gr. ἄκοπ-ος removing fatigue (f. ἀ priv. + κόπος weariness) + -IC.] Remedying fatigue; anything which has the property of removing the feeling of fatigue.

1

1899.  Julia Carter Aldrich, Hazel Bloom, 184.

        And dreamy perfumes, by the balmy breezes blown,
  Are evening’s sweet acopic, when she folds us to her heart.

2