English
hindflipper
From hind + flipper.
Proto-Indo-European *ḱóm ‘beside, near, by, with’
Proto-Indo-European *ḱem-ta- ‘down, below, with, far, along, against’
Old English hindan ‘at the rear, from behind’
Middle English hinde
English hind
Today it means
noun Either of the pair of hind flippers of a pinniped.
Language periods are conventional ranges, not dates for this word.
Etymograph / hindflipper