Lewis Short
mōlīmentum (noun N) : molior
* A great exertion, effort, endeavor, attempt, undertaking (good prose, but not in Cic.): magno cum molimento procedunt, Sisenn. ap. Non. 142, 5: neque se exercitum sine magno commeatu atque molimento in unum locum contrahere posse, * Caes. B. G. 1, 34, 3: motam certe sede suā parvi molimenti adminiculis,by machines of little power,Liv. 5, 22: eo minoris molimenti ea claustra esse,would cost the less labor,id. 37, 14: rex magni molimenti est,that has a great spirit of enterprise,Sen. Cons. ad Marc. 11, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary