तीक्ष्ण :

तीक्ष्ण ( tīkṣṇa )
Meaning: sharpness/fast; one of the 20 gurvadi gunas; caused due activated agni; denotes physiological & pharmacological quickening of processes; instrumental for eliminative therapy; pacifies kapha & vata, increases pitta; causes irritation, burning & excretion. An attribute of Pitta.