English
Twittersphere
From Twitter + -sphere.
Formed from Twitter + -sphere
Proto-Germanic *twitwizōną ‘to chirp’
Proto-West Germanic *twitwiʀōn
Old English *twiterian
Middle English twitren
English Twitter
Today it means
name The totality of users and messages on the Twitter microblogging service.
Language periods are conventional ranges, not dates for this word.
Etymograph / Twittersphere