1) Kits were wooden vessels of hooped staves and they had a wide variety of uses. Often they were used for carrying liquids and had a lid.
1465 40 sopekyttes, Hull
1556 my water kyttes, one chirne, one stande … tubbes and all other wood vessell, Beeston
1585 two kyttes with salted butter xs, Knaresborough. They were much used by grinders in the cutlery trade, holding water which served to replace that lost in the grinding process. In the inventory for George Greaves in 1739 were a wheel band, a wheel kitt and trough, value Ł2 10s. A Sheffield glossary of 1888 has Kit or Kitty ... a wooden tub with one handle in which grinders cool their knives, saws, etc. An occupational by-name takes the word’s history back to the thirteenth century: 1275 Richard the Kittewritt, Norland. In 1596, the Kittmakers in Beverley were in the guild of carpenters and joiners.
2) An early spelling of ‘cut’.
c.1417 that no fraunchised man kytte no fysshe at the commune shamels, York
1419-20 sall kytte the herbage that grewys apon the mote, York
1523 thos that occupies the drapers craft and kittyng of brode suttheron clothe, York.