n.
Pronunciation: k ə n- ' s ə rn
Function: verb
Etymology: Middle English, from Middle French & Medieval Latin; Middle French concerner, from Medieval Latin concernere, from Late Latin, to sift together, mingle, from Latin com- + cernere to sift ― more at CERTAIN
Date: 15th century
transitive verb
1 a : to relate to : be about <the novel concern s three soldiers> b : to bear on
2 : to have an influence on : INVOLVE also : to be the business or affair of <the problem concern s us all>
3 : to be a care, trouble, or distress to <her ill health concern s me>
4 : ENGAGE , OCCUPY <he concern s himself with trivia>
intransitive verb obsolete : to be of importance : MATTER