mobilitas

Etymology
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Noun

 * 1) mobility:
 * 2) the ability to move; capacity for movement.
 * 3)  the ability of a military unit to move or be transported to a new position.
 * 4)  the degree to which particles of a liquid or gas are in movement.
 * 5)  people's ability to move between different social levels or professional occupations.

Etymology
From.

Noun

 * 1) mobility, activity, speed, rapidity, quickness
 * 2) changeableness, fickleness, inconstancy