"number of acres in a tract of land," 1795, from acre + -age.

strength of an electric current, 1889, from ampere, on the model of voltage; see -age.

"aggregate number of yards," 1900 in sports, from yard (n.2) + -age.

1610s, "the rearing of another's child as one's own," from foster (v.) + -age.

"rate or amount that something creeps," 1881, from creep (v.) + -age.

"application of the curette," 1890, probably from French curettage (by 1881); see curette + -age.

also primaeval, "of or belonging to the first age," 1650s, with -al (1) + Latin primaevus "early in life, youthful," from primus "first" (see prime (adj.)) + aevum "an age" (from PIE root *aiw- "vital force, life; long life, eternity"). Related: Primevally.

mid-15c., "having lived long," mid-15c., past-participle adjective from age (v.). Meaning "having been allowed to get old" (of cheese, etc.) is by 1873. Meaning "of the age of" is from 1630s. Aged Parent is from "Great Expectations" (1860-61). Related: Agedness.

"act or practice of petty theft; that which is stolen," 1620s, from pilfer + -age.

"drink of any kind," mid-13c., from Anglo-French beverage, Old French bevrage, from Old French boivre "to drink" (Modern French boire; from Latin bibere "to imbibe;" from PIE root *po(i)- "to drink") + -age, suffix forming mass or abstract nouns (see -age).