incurve

in.curve

v.tr.intr.（及物动词和不及物动词）
in.curved,in.curv.ing,in.curves
To cause to bend or to bend into an inward curve.
使倾斜或向内弯由
n.（名词）

An inward curve.
内弯

来源：
Middle English incurven [to twist, distort]
中古英语 incurven [扭，歪曲]
from Latin incurv3re [to curve in, be crooked]
源自 拉丁语 incurv3re [向内弯，扭曲]
in- [in] * see in- 2
in- [在…内] *参见 in-2
curvus [curve] * see curve
curvus [弯曲] *参见 curve