forehammer means A sledge or sledgehammer; the large hammer which strikes first, or before the smaller one. Lexicurio rates it Sui generis — a strength score of 92 out of 100.
Etymology
From Middle English forehamer, forhamer, equivalent to fore- + hammer. Compare Dutch voorhamer (“sledgehammer”), German Low German Vörhamer (“sledgehammer”), Danish forhammer (“sledgehammer”).
noun
- A sledge or sledgehammer; the large hammer which strikes first, or before the smaller one.“The blacksmith I was put under was a kind good fellow and soon put me in the way of striking with the forehammer which was at first very tiring […]”