concentrate
UK: /ˈkɒnsntreɪt/ | US: /ˈkɑːnsntreɪt/
v. to focus all attention or effort on a single activity or purpose
v. to increase the strength or density of a substance by removing other elements
n. a substance that has been concentrated, especially a liquid extract
The word "concentrate" originates from the Latin concentrare, combining con- (meaning "together") and centrum (meaning "center"). The idea is to bring things toward a central point, either physically (as in reducing a liquid to a denser form) or mentally (focusing one's attention). Over time, it evolved in English to encompass both literal and metaphorical senses of gathering or intensifying.
She struggled to concentrate on her studies with the noise outside.
The factory concentrates orange juice by removing excess water.
This detergent is a concentrated formula, so use less per load.
The team concentrated their efforts on finishing the project before the deadline.
Meditation helps me concentrate better during work.