AKINESIA

|āˌkīˈnēzh(ē)ə, -_kə̇ˈ- noun

( -s )

Etymology: New Latin, from Greek akinēsia absence of motion, from a- a- (II) + -kinēsia -kinesia

: loss or impairment of voluntary activity (as of a muscle or a death-feigning animal) — called also akinesis