"Gleg" is a word in ENGLISH

Quickness of perception or discernment; penetration of mind; the faculty of nice discrimination.

Having a clear understanding; quick of perception; intelligent.

A short, hurried view; a transitory or fragmentary perception; a quick sight.

Direct apprehension or cognition; immediate knowledge, as in perception or consciousness; -- distinguished from \"mediate\" knowledge, as in reasoning; as, …

Sensitive; perceptive in a high degree; ready; as, a quick ear.

Acuteness of perception; keen sensibility.

Not slow or hesitating; quick in action or perception of any kind; dexterous; prompt; easy; expert; as, a ready apprehension; …

Hence, of quick intellectual perceptions; of keen penetration and judgment; discerning and judicious; knowing; far-sighted; shrewd; sage; wise; as, a …

Of quick sense perceptions; keen-scented; skilled in following a trail.

The quality of being sagacious; quickness or acuteness of sense perceptions; keenness of discernment or penetration with soundness of judgment; …

Of keen perception; quick to discern or distinguish; having nice discrimination; acute; penetrating; sagacious; clever; as, a sharp eye; sharp …

To render more quick or acute in perception; to make more ready or ingenious.