English
footpoint
From foot + point.
Proto-Indo-European *pṓds ‘foot’
Proto-Germanic *fōts ‘foot’
Proto-West Germanic *fōt
Old English fōt ‘foot’
Middle English fot ‘foot’
English foot
Proto-Indo-European *pewǵ- ‘to prick, punch’
…
Latin pungō ‘to prick; to puncture’
Latin pūnctum ‘point; puncture’
Old French point ‘dot’
Middle English poynt ‘small hole’
English point
Today it means
noun The region at which tubes of magnetic field lines reach the surface of the photosphere to form coronal loops.
Language periods are conventional ranges, not dates for this word.
Etymograph / footpoint