The bureau says it has “new information” concerning the biggest art heist on record.
With the same tough approach, she is ready to take on MERS—though it is not so certain the enemy is quite so concerning.
As a practical matter, I find it ridiculous and concerning that most people seem to shrug this off.
early 15c., "perceive, distinguish," also "refer to, relate to," from Middle French concerner, from Medieval Latin concernere "concern, touch, belong to," figurative use of Late Latin concernere "to sift, mix, as in a sieve," from Latin com- "with" (see com-) + cernere "to sift," hence "perceive, comprehend" (see crisis). Apparently the sense of the prefix shifted to intensive in Medieval Latin. Meaning "worry" is 17c. Related: Concerned; concerning. Letter opening to whom it may concern attested by 1740.
1580s, from concern (v.).