Flown
来自Big Physics
Old English flēogan, of Germanic origin; related to Dutch vliegen and German fliegen, also to fly2.
wiktionary
From Middle English flowen, floȝen, from Old English flogen, ġeflogen, past participle of Old English flēogan(“to fly”).
From Middle English flowen (attested in derived verbs such as overflowen), from Old English flōwen, ġeflowen, past participle of Old English flōwan(“to flow”).
etymonline
flown
past participle of fly (v.), from Middle English flogen, flowen. Also formerly the past participle of flow (v.).