sensitivity; keen perception; delicacy of feeling
Describes a sharp, refined sensitivity, often in emotional, aesthetic, or interpersonal contexts. Can be used as a noun or adjectival noun (鋭感な).
He has a keen sensitivity to other people's feelings.
Her perceptive critiques are always on point.
Compound of 鋭 (ei, 'sharp') and 感 (kan, 'feeling, sensation'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of keen sensitivity.