English
foretopmast
From fore- + topmast.
Proto-Indo-European *per- ‘before, formerly’
Proto-Germanic *fura- ‘before, in front of, for’
Proto-West Germanic *forē- ‘before, in front of, fore-, pre-’
English fore-
Today it means
noun The mast above the foretop.
Language periods are conventional ranges, not dates for this word.
Etymograph / foretopmast