Emily Dickinson Lexicon

ACHE, v.i. [ake; Sax. ace, ece; Gr. αχεω, to ache or be in pain; αχος, pain. The primary sense is, to be pressed. Perhaps the Oriental עוק, to press.]

1. To suffer pain; to have or be in pain, or in continued pain; as, the head aches.
2. To suffer grief, or extreme grief; to be distressed; as, the heart aches.