What is "katyayana"

Katyayana may refer to:

• Katyayana (Buddhist), a disciple of Gautama Buddha.
• Kātyāyana, an Indian mathematician and Sanskrit grammarian.

Kātyāyana was a disciple of Gautama Buddha. In Sanskrit his name is Kātyāyana or Mahākātyāyana; in Pāli Kaccāna (means 'gold'), Kaccāyana, or Mahākaccāna; in Japanese 迦旃延 Kasennen, and in Thai he is called Phra Maha Katchaina (; Sinhala: මහා කච්චායන මහ රහතන් වහන්සේ).

Kātyāyana (c. 3rd century BC) was a Sanskrit grammarian, mathematician and Vedic priest who lived in ancient India.