1275-1325; (v.) Middle Englisha(p)prochen < Anglo-French,Old Frencha(p)rocher < Late Latinadpropiāre, verbal derivative, with ad-ad-, of Latinpropius nearer (comparative of prope near), replacing Latinappropinquāre; (noun) late Middle Englishapproche, derivative of the v.
c.1300, from Anglo-Fr. approcher, from O.Fr. aprochier, from L.L. appropiare "go nearer to," from L. ad- "to" + L.L. propiare "come nearer," comparative of L. prope "near." Replaced O.E. neahlæcan. The noun is late 15c., from the verb. Figurative sense of "means of handling a problem, etc." is first attested 1905.