"act or ceremony of investing (a sovereign) with a crown," c. 1400, coronacioun, from Late Latin coronationem (nominative coronatio) "a crowning," noun of action from past-participle stem of Latin coronare "to furnish with a crown," from corona "crown, wreath" (see crown (n.)).

1540s, "pertaining to a city or citizenship," originally in civic crown (Latin corona civica), a chaplet of oak leaves awarded to one who saved the life of a fellow citizen in battle, from Latin civicus "of a citizen," adjectival derivative of civis "townsman" (see city). Sense of "having to do with citizens" is from 1790.

mid-15c. in horticulture, "act or practice of grafting buds;" 1714 in pathology, "insertion of a form of a virus in order to prevent a more serious attack of it," from Latin inoculationem (nominative inoculatio) "an engrafting, budding," noun of action from past-participle stem of inoculare (see inoculate).

c. 1600, "suitable for garlands;" 1640s, "pertaining to a crown, resembling a crown," both older senses now obsolete; from Latin coronarius "of or belonging to a wreath, presenting a garland-like grownth," from corona "wreath, crown" (see crown (n.)).

Anatomical use is from 1670s in reference to the blood vessels that supply the muscular substance of the heart and surround it like a crown. Coronary artery is recorded from 1741. As a noun meaning "a blockage of the flow of blood to the heart caused by a clot in a coronary artery," it dates from 1955, short for coronary thrombosis.