alpa-kāle hailā pañjī-ṭīkāte pravīṇa
cira-kālera paḍuyā jine ha-iyā navīna
alpa-kāle - within a very short time; hailā - became; pañjī-ṭīkāte - in the commentary on grammar named Pañjī-ṭīkā; pravīṇa - very expert; cira-kālera - all older; paḍuyā - students; jine - conquers; ha-iyā - being; navīna - their junior.
Śrīla Bhaktivinoda Ṭhākura says there was a commentary on grammar named Pañjī-ṭīkā that was later explained very lucidly by Śrī Caitanya Mahāprabhu.