kən, (ˈ)kän-+ verb
( -ed/-ing/-s )
Etymology: Middle French concentrer, from com- + centre center — more at center
transitive verb
: to draw or direct to a common center : bring together at a focus or point (as lines, ideas, or emotions) : concentrate
intransitive verb
: to come to one point : meet in, converge toward, or have a common center
then begins to concenter the … nexus of … habits of reaction to experience — Survey Graphic