Obs. exc. dial. Forms: 1 cese-, ces-, cis-, cyslyb, 5 cheslepe, -lypp, -leb, 5–7 cheslep, 6 ches-, cheselope, 7 cheslop, 7–8 cheeslep, -lip, 7–9 cheslip, 8–9 keslop, 9 cheeselop, caislip, Sc. keeslip. [OE. céselyb(b, neut., = OHG. châsi-, chêsi-luppa, MHG. chêsluppe, kæseluppe fem., in same sense; f. CHEESE (in its various forms) + a word which appears in Goth. as lubjā- (? fem.) in lubjaleisei witchcraft, ? poison-herb-lore, OE. lybb neut. poison, ON. lyf fem. ‘medicinal herb, simple,’ OHG. luppi neut. deadly juice, mod.G. dial. lüpp rennet. Hence the original rennet appears to have been some herb juice.

1

  Beside this, MHG. has kæselab, mod.G. käselab, the second element of which is laab, lab rennet, MHG. lab sour fluid, OHG. lab neut. broth, decoction. Du. has also leb, lebbe, MDu. & LG. lebbe rennet:—labjô-, and MDu. libbe, lip, MLG. lip, mod.G. dial. lippe neut.:—libjom. The original relations between these words are uncertain.]

2

  1.  Rennet, for curdling milk in cheese-making.

3

a. 800.  Corpus Gloss., 569. Coagolum ceselyb.

4

c. 1000.  ibid. Coagulum ceslyb.

5

c. 1000.  Sax. Leechd., III. 18. Þa meolc ʓeren mid cyslybbe.

6

c. 1050.  Glosses, in Wr.-Wülcker, 365/30. Coagulum cyslyb.

7

1562.  Turner, Herbal, II. 2. As runnynge or chese lope maketh mylke runne together into cruddes.

8

1580.  Baret, Alv., C 435. The running or chese lope, coagulum.

9

1586.  Lupton, 1000 Notable Th. (1675), 22. Snails … stamped and mixed … with Cheslep or Rennet do draw out thorns.

10

1877.  E. Peacock, N. W. Linc. Gloss. (E. D. S.), Keslop, cheese-rennet.

11

  2.  spec. The dried stomach of a calf (or, formerly of other animals, e.g., a hare) used for this purpose. (Formerly also called cheeselep-bag.)

12

c. 1000.  Medicina de Quadrup., in Sax. Leechd., I. 346. Haran cyslybb.

13

c. 1425.  Voc., in Wr.-Wülcker, 666. Hec lactis … cheslypp.

14

a. 1500.  Nominale, ibid. 703. Hec lactis, a cheslepe.

15

a. 1500.  Voc., ibid. 591. Lactis, a chesleb.

16

1615.  Markham, Eng. Housew., II. vi. (1668), 149. The Cheslep-bag, or Runnet, is the stomack bag of a young sucking calf.

17

1727.  Bradley, Fam. Dict., s.v. Cheeselp-Bag.

18

1781.  J. Hutton, Tour Caves, Gloss. (E. D. S.), Keslop, a calves stomach, sometimes called runnet.

19

1788.  Marshall, E. Yorksh. Gloss. (E. D. S.), Cheslip-skin, the calf’s bag, used in making yerning.

20

1801.  Ord. Butchers’ Guild, in Ferguson & Manson, Munic. Rec. Carlisle (1887), 259. No brother … shall buy any calf, to return the caislip in any State whatever.

21

1877.  D. Peacock, N. W. Linc. Gloss. Cheeselop, the dried stomach of a calf used for curdling milk for cheese.

22

  b.  The following inaccurate explanation is found in Dicts.

23

1669.  Worlidge, Syst. Agric. (1681), 323. Chees-lip, the bag wherein House-wives prepare and keep their Runnet or Rennet for their Cheese. [So without essential change in Phillips, Ray, Bailey, Webster, etc.]

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