yomp
verb
[ jɒmp ]
• (of a soldier) march with heavy equipment over difficult terrain.
• "squaddies yomping over the hills"
yomp
noun
• a march with heavy equipment over difficult terrain.
• "a 60 km yomp"
Origin:
1980s: of unknown origin. The word came into prominence when used by the Royal Marines during the Falklands War of 1982.