英和和英

発音

• enPR: wâr-bī', IPA: /wɛə(ɹ)ˈbaɪ/
• 韻: -aɪ

副詞

whereby (not comparable)

1. (interrogative, obsolete) By what, in which direction; how.

   Whereby goest thou?

2. By which.
   • c. 1596–1598 (date written), William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act IV, scene i]:

     Shylock:
     Nay, take my life and all; pardon not that:
     You take my house when you do take the prop
     That doth sustain my house; you take my life
     When you do take the means whereby I live.

   • 1971, Gwen White, Antique Toys And Their Background, page 179:

     M. Sawrey […] devised a mechanical method whereby theatrical scenes could be changed in a simple way.

   • 1990, Local management of schools, Kogan Page Ltd:

     Other heads saw devolution as a whole new way of life and adopted an approach whereby the power of devolution was used to enable the school to drive the curriculum.

3. (nonstandard) Where, wherein, in which.
   • 2025 February 17, David Gilbert, “No, 150-Year-Olds Aren’t Collecting Social Security Benefits”, in WIRED‎, archived from the original on 19 February 2025:

     Because COBOL does not have a date type, some implementations rely instead on a system whereby all dates are coded to a reference point. The most commonly used is May 20, 1875, as this was the date of an international standards-setting conference held in Paris, known as the Convention du Mètre.

使用する際の注意点

Use of whereby as a formal equivalent of where is nonstandard, with where or in which typically preferred instead.

参考