English
foretrained
From fore- + trained.
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
adj Trained beforehand or in advance
Language periods are conventional ranges, not dates for this word.
Etymograph / foretrained