mot-, moto-, -motile, -motility, -motorial, -motoric, -motive, -motored; mov-

(Latin: move, motion)

Ex mero motu.
Of one's own free will; without compulsion or restraint.

A legal term also meaning "of his own accord; voluntarily" and "without prompting or request". Equivalent terms are sua sponte or exproprio motu.

gamma motor neuron
A small nerve originating in the anterior horns of the spinal cord that transmits impulses through type A gamma fibers to intrafusal fibers of the muscle spindle for muscle control.
1. Relating to the movements used in writing.
2. Describing, pertaining to, or affecting the movements used in writing.
Moving excessively or moving quickly in an abnormal way.
immovable (adjective), more immovable, most immovable
1. Incapable of moving; motionless: The very old rusty car was immovable, so it it had to be towed away.
2. Insusceptible of changing one's attitude about something; steadfast: Judy was totally immovable and determined in her opinion that Jack was the love of her life.
3. Inability of being transported; firmly fixed: A mountain is certainly an immovable object!
immovably (adverb), more immovably, most immovably
Concerning how an object is fixed or incapable of changing places: During their hike, Susan and Doug viewed the high mountains looming immovably above the little village below.
Referring to, pertaining to, or causing movement of the iris of the eye.

Related "move, motion" word units: cine-; kine-; mobil-; oscillo-; seismo-; vibro-.