The sense and etymology of the word are unknown. It was included in the entry
sumeron but the two words do not seem to be related. Hunt (2011) suggests a possible relation to lana succida 'unwashed wool'.
s.
1unwashed part?:
(
MS: s.xiii3/4
)
Crotes de lievre engloute a la fiez en ses flors, En lait de anesse laine o tot les somellons sor vostre nomblil estreit tres bien le liez
96
somellon (s.xiii3/4)