Английский Этимологический словарь - flight (1)

- "flying," O.E. flyht "a flying, flight." from P.Gmc. *flukhtiz. Spelling altered from M.E. fliht c. 1385 (see fight). Meaning "series of stairs between landings" is from 1703. Flighty is 1552 in sense of "swift," later (1768) "fickle or frivolous," originally of skittish horses.