CET4 TEM4 IELTS 考 研 TOEFL CET6
1、val- "be strong" + -id.
2、含义：strong, effective, having force in law, legally binding, supported by facts or authority.
- valid:  Something that is valid is etymologically ‘strong’, and hence ‘effective’. The word comes via French valide from Latin validus ‘strong, effective’, which was derived from the verb valēre ‘be strong’ (source also of English valiant, valour, value, etc). The negative form invalid  also goes back to Latin, but its specific application to infirm people, differentiated with a distinct pronunciation, was introduced from French in the 17th century.
=> valiant, valour, value
- valid (adj.)
- 1570s, "having force in law, legally binding," from Middle French valide (16c.), from Latin validus "strong, effective, powerful, active," from valere "be strong" (see valiant). The meaning "sufficiently supported by facts or authority, well-grounded" is first recorded 1640s.
- 1. For foreign holidays you will need a valid passport.
- 2. He recognized the valid points that both sides were making.
- 3. All tickets are valid for two months.
- 4. He did not accept this reply as valid.
- 5. a bus pass valid for 1 month
[ valid 造句 ]