Origin: 1350–1400; Middle English propinquite < Latin propinquitās nearness, equivalent to propinqu(us) near (prop(e) near (see pro-1) + -inquus adj. suffix) + -itās-ity
late 14c., from O.Fr. propinquite (c.1240), from L. propinquitatem (nom. propinquitas) "nearness, vicinity," from propinquus "near, neighboring," from prope "near" (enlarged from PIE base *pro- "before") + suffix -inquus.