English
hypsarrhythmia
From hyps- + arrhythmia.
Formed from hyps- + arrhythmia
Proto-Indo-European *h₃ewps- ‘up, above’
Ancient Greek ῠ̔́ψῐ ‘aloft’
Ancient Greek ὕψος ‘height’
English hyps-
Proto-Indo-European *srew- ‘to flow’
…
Ancient Greek ῥυθμός ‘rhythm”, “measure’
Ancient Greek ἄρρυθμος ‘arhythmic’
Ancient Greek ἀρρυθμία ‘lack of rhythm’
New Latin arrhythmia
English arrhythmia
Today it means
noun The electroencephalographic features of random high-voltage slow waves and spikes seen in patients with infantile spasms.
Language periods are conventional ranges, not dates for this word.
Etymograph / hypsarrhythmia