What is "sumdel"

Somedeal \Some"deal`\ (s[u^]m"d[=e]l`), adv. In some degree; somewhat. [Written also sumdel, sumdeale, and sumdele.] [Obs.] ``She was somedeal deaf.''
--Chaucer.

Thou lackest somedeal their delight.
--Spenser.

adv. (alternative form of somedeal English) In some measure or degree; somewhat, partly, partially