Promotional
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 17:03的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=promotional+etymology&newwindow=1&hl=en ref] late Middle English (in promotion (sense 3))…”的新页面)
late Middle English (in promotion (sense 3)): via Old French from Latin promotio(n- ), from promovere ‘move forward’ (see promote).
wiktionary
promotion + -al
etymonline
promotional (adj.)
1869, "relating to promotion or advancement," from promotion + -al (1). From 1902 as "relating to advertising."