- coordinate (adj.)
- 1640s, "of the same order," from M.L. coordinatus, pp. of coordinare "to set in order, arrange" (see coordination). Meaning "involving coordination" is from 1769. Related: Coordinance (1864).
- coordinate (n.)
- 1823, in the mathematical sense, esp. with ref. to the system invented by Descartes; from coordinate (adj.). Hence, coordinates as a means of determining a location on the earth's surface (esp. for aircraft), attested by 1960.
- coordinate (v.)
- 1660s, "to place in the same rank," from L. coordinare (see coordination). Meaning "to arrange in proper position" (trans.) is from 1847; that of "to work together in order" (intrans.) is from 1863. Related: Coordinated (1859); coordinating (1861).