ictus /ˈɪktəs 
/ ▸ noun (plural ictus or plural ictuses)
1 Prosody a rhythmical or metrical stress. 2 Medicine a stroke or seizure; a fit. – ORIGIN early 18th century (denoting the beat of the pulse): from Latin, literally ‘blow’, from icere ‘to strike’.
EnglishOxford Dictionary of English
