Broadcast
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 02:28的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=broadcast+etymology&newwindow=1&hl=en ref] mid 18th century (in the sense ‘sown by scat…”的新页面）
mid 18th century (in the sense ‘sown by scattering’): from broad + the past participle of cast1. Senses relating to radio and television date from the early 20th century.
wiktionary
broad + cast.
etymonline
broadcast (adj.)
1767, "dispersed upon the ground by hand," in reference to seed, from broad (adj.) + past participle of cast (v.). Figurative sense "widely spread" is recorded by 1785. As an adverb from 1832. Modern media use began with radio (1922, adjective and noun). As a verb, recorded from 1813 in an agricultural sense, 1829 in a figurative sense, 1921 in reference to radio.
