CC Madhya 15.190

sārvabhauma kahe punaḥ, — dina ‘pañca-daśa’
prabhu kahe, — tomāra bhikṣā ‘eka’ divasa
Word for word: 
sārvabhauma kahe — Sārvabhauma Bhaṭṭācārya said; punaḥ — again; dina pañca-daśa — fifteen days; prabhu kahe — the Lord replied; tomāra bhikṣā — lunch at your place; eka divasa — only one day.
Translation: 
When Sārvabhauma requested Caitanya Mahāprabhu to accept lunch for fifteen days, the Lord said, “I shall accept lunch at your place for one day only.”