Gild-sester

According to the Old English Dictionary:

es;

gild-sester

m. A measure belonging to a guild; sextarius :-- Sceóte ǽlc gegylda ǽnne gyldsester fulne clǽnes hwǽtes let each guild-brother contribute one guild-measure full of clean wheat, Th. Chart. 606, 7: 611, 4. gild-sester