Whereas
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 03:35的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=whereas+etymology&newwindow=1&hl=en ref] late Middle English: from where + as1. File…”的新页面）
late Middle English: from where + as1.
wiktionary
From where + as(“that”); first attested in the meaning of "where" [14thc.] [1]. Compare thereas.
etymonline
whereas (adv.)
mid-14c., "where;" early 15c. as a conjunction, "in consideration of the fact that, considering that things are so; while on the contrary," from where (in the sense of "in which position or circumstances") + as.
