Origin of incurveClassical Latin incurvare ; from in-, in- + curvare, to curve
tr. & intr.v.in·curved, in·curv·ing, in·curves
Origin of incurveMiddle English incurven, to twist, distort, from Latin incurvare, to curve in, be crooked : in-, in; see in–2 + curvus, curve; see curve.
(third-person singular simple present incurves, present participle incurving, simple past and past participle incurved)