Ymener

According to the Old English Dictionary:

(ymnere?), es;

ymener

m. A book of hymns; hymnare, hymnarium :-- Thǽr synd twá Cristes béc, and i. mæssebóc, and i. ymener, and i. salter, Cod. Dip. B. iii. 660, 32. Hymneres tácen is ðæt mon wæcge brádlinga his hand and rǽre up his litlan finger, Techm. ii. 121, 9. ii. salteras, and se saltere swá man singð on Róme, and .ii. ymneras, Chart. Th. 430, 13. ymener