Answer: inertiae

AnswerCrossword Clue
inertiaedisposition to motion, exertion, or change inertness
inertiaeanalogous property of other physical quantities (as electricity)
inertiaea property of matter by which it remains at rest or in uniform motion in the same straight line unless acted upon by some external force
inertiaeINERTIA, the tendency of a body to resist acceleration