English
headframe
From head + frame.
Proto-Indo-European *kap- ‘head’
…
Proto-Germanic *haubudą ‘head’
Proto-West Germanic *haubud
Old English hēafod ‘head’
Middle English heed ‘head’
English head
Proto-Indo-European *pró ‘toward, leading to’
…
Proto-Germanic *framjaną ‘to further, promote’
Proto-West Germanic *frammjan ‘to promote’
Old English fremman ‘to profit, avail, advance’
Middle English framen ‘to construct’
English frame
Today it means
noun the structure supporting machinery above the entrance to an underground mineshaft.
Language periods are conventional ranges, not dates for this word.
Etymograph / headframe