Something
来自Big Physics
Old English sum thing (see some, thing).
wiktionary
From Middle English somthing, some-thing, som thing, sum thinge, sum þinge, from Old English sum þing(literally “some thing”), equivalent to some + thing. Compare Old English āwiht(“something”, literally “some thing, any thing”), Swedish någonting(“something”, literally “some thing, any thing”).
etymonline
something (pron.)
Old English sum þinge; see some + thing. Hyphenated from c. 1300; one word from 17c. Formerly common as an adverb (as in something like). Meaning "some liquor, food, etc." is from 1570s. Meaning "a thing worthy of consideration" is from 1580s; emphatic form something else is from 1909. Phrase something for nothing is from 1816. To make something of is from 1778.