Śrīmad-Bhāgavatam · Text 10.30.42
Who is speaking and story frame
ततोऽविशन्वनं चन्द्रज्योत्स्ना यावद् विभाव्यते ।
तम: प्रविष्टमालक्ष्य ततो निववृतु: स्त्रिय: ॥ ४२ ॥
tato ’viśan vanaṁ candra
jyotsnā yāvad vibhāvyate
tamaḥ praviṣṭam ālakṣya
tato nivavṛtuḥ striyaḥ
In search of Kṛṣṇa, the gopīs then entered the depths of the forest as far as the light of the moon shone. But when they found themselves engulfed in darkness, they decided to turn back.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.