-some (-s&omac;m).
A combining form or suffix from Gr. sw^ma (gen. sw`matos) the body; as in merosome, a body segment; cephalosome, etc.
© Webster 1913.
-some (-s&ucr;m). [AS. -sum; akin to G. & OHG. -sam, Icel. samr, Goth. lustusams longed for. See Same, a., and cf. Some, a.]
An adjective suffix having primarily the sense of like or same, and indicating a considerable degree of the thing or quality denoted in the first part of the compound; as in mettlesome, full of mettle or spirit; gladsome, full of gladness; winsome, blithesome, etc.
© Webster 1913.