The word "krs" is the attractive feature of the Lord's existence, and "na" means spiritual pleasure. When the verb "krs" is added to the affix "na," it becomes "Krsna," which indicates the Absolute Truth

Expressions researched:
"The word “kṛṣ” is the attractive feature of the Lord’s existence, and “ṇa” means spiritual pleasure. When the verb “kṛṣ” is added to the affix “ṇa,” it becomes “Kṛṣṇa,” which indicates the Absolute Truth"

Sri Caitanya-caritamrta

CC Madhya-lila

“‘The word “kṛṣ” is the attractive feature of the Lord’s existence, and “ṇa” means spiritual pleasure. When the verb “kṛṣ” is added to the affix “ṇa,” it becomes “Kṛṣṇa,” which indicates the Absolute Truth.’.

CC Madhya 9.30, Translation and Purport

“‘The word “kṛṣ” is the attractive feature of the Lord’s existence, and “ṇa” means spiritual pleasure. When the verb “kṛṣ” is added to the affix “ṇa,” it becomes “Kṛṣṇa,” which indicates the Absolute Truth.’

This is a verse from the Mahābhārata (Udyoga-parva 71.4).