anchorage n.

"fix or secure in a particular place," c. 1200, perhaps in Old English, from anchor (n.) or from Medieval Latin ancorare. Figurative use from 1580s; in reference to television or radio programs, 1961. Related: Anchored; anchoring.

word-forming element in nouns of act, process, function, condition, from Old French and French -age, from Late Latin -aticum "belonging to, related to," originally neuter adjectival suffix, from PIE *-at- (source of Latin -atus, past participle suffix of verbs of the first conjugation) + *-(i)ko-, secondary suffix forming adjectives (see -ic).