8 letters · 11 points in Scrabble
noun a valve that regulates the supply of fuel to the engine
noun a pedal that controls the throttle valve
verb place limits on (extent or access)
originFrom Middle English throtlen (“to choke, strangle, suffocate”), from the noun (see above). Compare German erdrosseln (“to strangle, choke, throttle”).
Etymology from Wiktionary, CC BY-SA 3.0