- extraneous
[extraneous 词源字典]
- extraneous: see strange
[extraneous etymology, extraneous origin, 英语词源] - extraneous (adj.)
- 1630s, from Latin extraneus "external, strange," literally "that is without, from without" (as a noun, "a stranger"), from extra "outside of" (see extra-). A doublet of strange. Related: Extraneously.