または、子音クラスターbl,flから直接、投げる、羽ばたく、擬音語、語源的にはflap,flabby,flagと同じ。
Theire desire ... is to goe to theire newe masters eyther on a Tewsday, or on a Thursday; for ... they say Munday flitte, Neaver sitte. [Henry Best, farming & account book, 1641]Related: Flitted; flitting. As a noun, "a flitting, a removal," from 1835.
dd>