English
flarepath
From flare + path.
Proto-Germanic *paþaz ‘path’
Proto-West Germanic *paþ ‘path’
Old English pæþ ‘path’
Middle English path
English path
Today it means
noun A runway (or simple field) that is illuminated at night, or during fog, to enable aircraft to land or take off safely.
Language periods are conventional ranges, not dates for this word.
Etymograph / flarepath