See Also:

acy (iou)



-acy suffix.
[A branch of -CY.]
Forming nouns of quality, state, or condition.
Repr. Latin -acia, from adjectives in -aci-, -ax, as fallacy.
Repr. Latin -atia (medieval Latin often -acia), from nouns in -at-, -as, as abbacy, primacy; similarly supremacy.
Repr. medieval Latin -atia, from nouns in -atus, as advocacy, prelacy; hence from nouns in -ATE1, as confederacy, and adjectives in -ATE2, as accuracy, obstinacy.
Repr. Greek nouns in -ateia, as piracy. See also -CRACY.