Horizontal
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 08:28的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=horizontal+etymology&newwindow=1&hl=en ref] mid 16th century (in horizontal (sense 3 of t…”的新页面）
mid 16th century (in horizontal (sense 3 of the adjective)): from French, or from modern Latin horizontalis, from late Latin horizon, horizont- (see horizon).
wiktionary
Borrowed from French horizontal.
etymonline
horizontal (adj.)
1550s, "relating to or near the horizon," from French horizontal, from Latin horizontem (see horizon). Meaning "flat" (i.e., "parallel to the horizon") is from 1630s. As a noun also from 1550s. Related: horizontally.
