-some (1)youdaoicibaDictYouDict[-some 词源字典]
word-forming element used in making adjectives from nouns or adjectives (and sometimes verbs) and meaning "tending to; causing; to a considerable degree," from Old English -sum, identical with som (see some). Cognate with Old Frisian -sum, German -sam, Old Norse -samr; also related to same.[-some etymology, -some origin, 英语词源]
-some (2)youdaoicibaDictYouDict
suffix added to numerals meaning "a group of (that number)," as in twosome, from pronoun use of Old English sum "some" (see some). Originally a separate word used with the genitive plural (as in sixa sum "six-some"); the inflection disappeared in Middle English and the pronoun was absorbed. Use of some with a number meaning "approximately" also was in Old English.
-some (3)youdaoicibaDictYouDict
word-forming element meaning "the body," Modern Latin, from Greek soma "the body" (see somato-).