English
heeltap
From heel + tap.
Proto-Indo-European *kenk- ‘to feel hunger’
…
Proto-Germanic *hanhilaz ‘heel (of the foot)’
Proto-West Germanic *hą̄hilō
Old English hēla ‘heel (of the foot)’
Middle English hele
English heel
Proto-Indo-European *deh₂p- ‘to lose’
Proto-Germanic *tappô ‘a plug, tap’
Proto-West Germanic *tappō
Old English tæppa ‘tap, spigot’
Middle English tappe ‘hollow device for controlling the flow of…’
English tap
Today it means
noun A piece or wedge that raises the heel of a shoe.
Language periods are conventional ranges, not dates for this word.
Etymograph / heeltap