-some

I. adjective suffix Etymology: Middle English -som, from Old English -sum; akin to Old High German -sam -some, Old English sum some characterized by a (specified) thing, quality, state, or action <

awesome

> <

burdensome

> <

cuddlesome

> II. noun suffix Etymology: Middle English (northern dialect) -sum, from Middle English sum, pronoun, one, some group of (so many) members and especially persons <

foursome

> III. noun combining form Etymology: New Latin -somat-, -soma, from Greek sōmat-, sōma 1. body <

chromosome

> 2. chromosome <

monosome

>