Makes Faster, Speeds Up

This page is the CodyCross answer for the clue below from Popcorn Time, Group 400, Puzzle 3 (Foreign Language Film).

Question is: Makes Faster, Speeds Up

and the answer is: QUICKENS

Word Meaning:

QUICKENS — (chiefly Midlands (northern), Northern England, Northern Ireland, Scotland) Synonym of couch grass (“a species of grass, Elymus repens”); also, the underground rhizomes of this, and sometimes other grasses.

Definitions from Wiktionary.