Caitanya-caritāmṛta 4.112
pūrve vraje kṛṣṇera tri-vidha vayo-dharma kaumāra, paugaṇḍa, āra kaiśora atimarma
[poorve vraje krishnera tri-vidha vayo-dharma kaumaara, pauganda, aara kaishora atimarma]
Blended reading (Sanskrit + English inline)
pūrve vraje kṛṣṇera tri-vidha vayo-dharma kaumāra, paugaṇḍa, āra kaiśora atimarma
Formerly in Vraja Lord Kṛṣṇa displayed three ages, namely childhood, boyhood and adolescence. His adolescence is especially significant.
My note
Source: vedabase.io