English
freetail
From free + tail.
Proto-Indo-European *preyH- ‘to please; to love’
…
Proto-Germanic *frijaz ‘free’
Proto-West Germanic *frī ‘free’
Old English frēo ‘free, at liberty’
Middle English fre ‘having the status of a freeman’
English free
Proto-Indo-European *deḱ- ‘to tear, fray, shred’
…
Proto-Germanic *taglą ‘hair, fiber’
Proto-West Germanic *tagl
Old English tæġel
Middle English tail
English tail
Today it means
noun Mexican free-tailed bat, Tadarida brasiliensis
Language periods are conventional ranges, not dates for this word.
Etymograph / freetail