Shiva Purana
इत्युक्तं चण्डमुण्डाभ्यां निशम्य स महासुरः ॥ दूतं सुग्रीवनामानं प्रेषयामास तां प्रति ॥ ३२ ॥
On hearing the words of Caṇḍa and Muṇḍa that great demon Śumbha sent a messenger Sugrīva to her.
english translation
ityuktaM caNDamuNDAbhyAM nizamya sa mahAsuraH ॥ dUtaM sugrIvanAmAnaM preSayAmAsa tAM prati ॥ 32 ॥
hk transliteration by Sanscript