Císe-lybb (cís-)

According to the Old English Dictionary:

císe-lybb (cís-)

rennet:--Céselyb coagolum, Wrt. Voc. ii. 105, 8. Céslyb, 133, 12. Cýslyb, 15, 13. Ne cýse ne cýslyb, Angl. ix. 260, 13. Haran cýslyb, Lch. i. 346, 11. Cýslybbu coagula, Germ. 390, 68. [N. E. D. cheese-lip. O. H. Ger. chási-luppa.] cise-lybb cis-