mid-14c., "toll or charge for anchoring" (see anchor (v.) + -age. Meaning "act of dropping anchor, being at anchor" is from 1610s; that of "place suitable for anchoring" is from 1706. The Alaska city of Anchorage was founded 1914.
"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).
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Definitions of anchorage
the condition of being secured to a base;
the plant needs a firm anchorage
the mother provides emotional anchorage for the entire family