throttle

n. 节流阀；[车辆] 风门；喉咙

vt. 压制，扼杀；使……窒息；使……节流

vi. 节流，减速；窒息

中文词源

throttle 掐死，勒死，节流阀

来自 throat,喉咙，-le,表反复或工具格后缀。引申动词词义掐死，勒死，名词词义节流阀等。

throttle: throttle: see throat
throttle (v.): "strangle to death," c. 1400, probably from Middle English throte "throat" (see throat) + -le, perhaps a frequentive suffix (as in spark/sparkle), or a utensil suffix (as in handle), or simply to distinguish it from throat (v.), which in late 14c. was used to mean "cut the throat of, kill by cutting the throat." Related: Throttled; throttling.
throttle (n.): 1540s, "throat;" it appears to be an independent formation from throat, perhaps a diminutive form, not derived directly from the verb. The mechanical sense is first recorded 1872, short for throttle-valve (1824). Full-throttle (allowing maximum speed) is from 1848 in reference to steam engines.

1. throat => throttle.

1. He gently opened the throttle, and the ship began to ease forward.: 他轻轻松开油门杆，轮船开始缓缓前行。

3. He stepped swiftly to the controls to throttle back the engine.: 他快步来到控制台跟前，减小了油门。