Śrī Caitanya Caritamrta · Text Madhya 24.67
চান্বাচয়ে সমাহারেঽন্যোঽন্যার্থে চ সমুচ্চয়ে ।
যত্নান্তরে তথা পাদপূরণেঽপ্যবধারণে ॥ ৬৭ ॥
cānvācaye samāhāre
’nyonyārthe ca samuccaye
yatnāntare tathā pāda-
pūraṇe ’py avadhāraṇe
“ ‘The word “ca” [“and”] is used to connect a word or sentence with a previous word or sentence, to give the sense of aggregation, to assist the meaning, to give a collective understanding, to suggest another effort or exertion, or to fulfill the meter of a verse. It is also used in the sense of certainty.’
Read Śrīla Prabhupāda's purport on Vedabase.io