witnessyoudaoicibaDictYouDict[witness 词源字典]
witness: [OE] Witness originally meant ‘knowledge’ or ‘wisdom’; it was simply an abstract noun formed from wit. This was extended via ‘knowledge gained by observation’ to ‘testimony’ in the Old English period, and by the beginning of the Middle English period ‘person who gives testimony’ was well established.
=> wit[witness etymology, witness origin, 英语词源]
witness (n.)youdaoicibaDictYouDict
Old English witnes "attestation of fact, event, etc., from personal knowledge;" also "one who so testifies;" originally "knowledge, wit," formed from wit (n.) + -ness. Christian use (late 14c.) is as a literal translation of Greek martys (see martyr). Witness stand is recorded from 1853.
witness (v.)youdaoicibaDictYouDict
c. 1300, "bear testimony," from witness (n.). Meaning "affix one's signature to (a document) to establish its identity" is from early 14c. Meaning "see or know by personal presence, observe" is from 1580s. Related: Witnessed; witnessing.