Caitanya-caritāmṛta 15.6
alpa-kāle hailā pañjī-ṭīkāte pravīṇa cira-kālera paḍuyā jine ha-iyā navīna
[alpa-kaale hailaa panjee-teekaate praveena chira-kaalera paduyaa jine ha-iyaa naveena]
Blended reading (Sanskrit + English inline)
alpa-kāle hailā pañjī-ṭīkāte pravīṇa cira-kālera paḍuyā jine ha-iyā navīna
He soon became so expert in commenting on the Pañjī-ṭīkā that He could win victory over all the other students, although He was a neophyte.
Purport
Śrīla Bhaktivinoda Ṭhākura says there was a commentary on grammar named Pañjī-ṭīkā that was later explained very lucidly by Śrī Caitanya Mahāprabhu.
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io