[kənˈsəːn], (Verb)

Definitions:
- relate to; be about
(e.g: the story concerns a friend of mine)

- make (someone) anxious or worried
(e.g: the roof of the barn concerns me because eventually it will fall in)


Phrases:
- as far as — is concerned
- have no concern with
- to whom it may concern

Origin:
late Middle English: from French concerner or late Latin concernere (in medieval Latin ‘be relevant to’), from con- (expressing intensive force) + cernere ‘sift, discern’

[kənˈsəːn], (Noun)

Definitions:
- anxiety; worry
(e.g: Carole gazed at her with concern)

- a matter of interest or importance to someone
(e.g: housing is the concern of the Housing Executive)

- a business
(e.g: the town's only travel agent was a small, debt-ridden concern)

- a complicated or awkward object


Phrases:
- as far as — is concerned
- have no concern with
- to whom it may concern

Origin:
late Middle English: from French concerner or late Latin concernere (in medieval Latin ‘be relevant to’), from con- (expressing intensive force) + cernere ‘sift, discern’