出典:Wiktionary
出典:『Wiktionary』 (2026/01/10 01:10 UTC 版)
From earlier hash tag, from hash (sign) + tag. The hash sign # was initially proposed as tag hash by Chris Messina to create groups on Twitter, modeled after the IRC channel prefix. First published use as hash tag by Stowe Boyd in 2007.
hashtag (plural hashtags)
hashtag (third-person singular simple present hashtags, present participle hashtagging, simple past and past participle hashtagged)
![]()