from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Characterized by a specified quality, condition, or action: bothersome.
- suffix A group of a specified number of members: threesome.
- suffix Body: centrosome.
- suffix Chromosome: monosome.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix characterized by some specific condition or quality
- suffix Used to form a word indicating a group with a certain small number of members
- suffix A body
- suffix A chromosome
from the GNU version of the Collaborative International Dictionary of English
- A combining form or suffix from Gr. sw^ma (gen. sw`matos) the body
- 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.
Middle English -som, from Old English -sum, -like; see sem-1 in Indo-European roots.
Middle English -sum, from Old English sum, some; see some.
From Greek sōma, body; see teuə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English, from Old English -sum ("-some, same as"). Akin to Old Frisian -sum ("-some"), Old High German -sam ("-some"), Old Norse -samr ("-some"), Gothic -sams, -sama. Cognate with Albanian -shëm ("-some"). More at same. (Wiktionary)
Middle English from a specialized note of Old English sum ("some, one") coming after a genitive plural (eg. hē wæs fēowertiga sum --"he was one of forty", literally "he was forties' some[one]"; sixa sum --"one of six, sixsome"). (Wiktionary)
From Ancient Greek σῶμα (soma, "body") (Wiktionary)