English
extrasystoleextrasystole
From extra- + systole.
A compound of extra- + systole
Proto-Indo-European *h₁éǵʰs ‘out’
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter ‘being on the outside’
Latin extrā ‘outside, except, beyond’
English extra-
Ancient Greek συστέλλω ‘to contract’
Ancient Greek συστολή ‘contraction, drawing together’
English systole
Today it means
noun A premature contraction of the heart, producing an interruption or irregularity in heartbeat rhythm, associated with heart disease or the use of some pharmaceuticals.
Language periods are conventional ranges, not dates for this word.
Etymograph / extrasystole
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