syn·ki·ne·sis 
(sĭn′kə-nēsĭs, -kī-, sĭng′-)
(sĭn′kə-nēsĭs, -kī-, sĭng′-)n.
Involuntary movement of muscles or limbs accompanying a voluntary movement.
syn′ki·netic (-nĕtĭk) adj.
- Indo-European root: nebh-
- Indo-European root: ned-
- Indo-European root: nek-
- Indo-European root: nek-
- Indo-European root: nekw-t-
- Indo-European root: nem-
- Indo-European root: nepōt-
- Indo-European root: ner-
- Indo-European root: ner-
- Indo-European root: nes-
- Indo-European root: nes-
- Indo-European root: neu-
- Indo-European root: newn̥
- Indo-European root: newo-
- Indo-European root: nobh-
- Indo-European root: nogh-
- Indo-European root: nogw-
- Indo-European root: nu-
- Indo-European root: nāu-
- Indo-European root: nō̆-men-
- Indo-European root: n̥dher-
- Indo-European root: od-
- Indo-European root: oi-no-
- Indo-European root: oit-
- Indo-European root: oktō(u)