Offrung-sang

According to the Old English Dictionary:

es;

offrung-sang

m. A hymn sung when an offering is made:- Nú sceole we healdan úrne palm, óþ ðæt se sangere onginne ðone offringsang, and geoffrian ðonne Gode ðone palm, Homl. Th. i. 218, 9. offrung-sang