saccade /səˈkɑːd 
, saˈkeɪd / ▸ (saccades) noun technical a rapid movement of the eye between fixation points. – DERIVATIVES saccadic /saˈkadɪk/ adjective – ORIGIN early 18th century (in the sense ‘jerking movement’): from French, literally ‘violent pull’, from Old French saquer ‘to pull’.
EnglishOxford Dictionary of English
