• Impulsion

    Origin

    From Old French impulsion, from Latin impulsio.

    Noun

    impulsion

    (plural impulsions)
    1. The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse.
    2. Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.
    © Wiktionary