pa·ral·y·sis 
(pə-rălĭ-sĭs)
(pə-rălĭ-sĭs)n. pl. pa·ral·y·ses (-sēz′)
1.
a. Loss or impairment of the ability to move a body part, usually as a result of damage to its nerve supply.
b. Loss of sensation over a region of the body.
2. Inability to move or function; total stoppage or severe impairment of activity: fear that led to national paralysis.
[Latin, from Greek paralusis, from paralūein, to disable, loosen : para-, on one side; see PARA-1 + lūein, to release; see leu- in the Appendix of Indo-European roots.]