Arrhythmia
来自Big Physics
late 19th century: from Greek arruthmia ‘lack of rhythm’, from a- ‘without’ + rhuthmos (see rhythm).
wiktionary
Borrowed from New Latin arrhythmia, from Ancient Greek ἀρρυθμία(arrhuthmía).
etymonline
arrhythmia (n.)
in medicine, "irregularity of pulse" (arrhythmia cordis), 1888, from Greek noun of action from arrhythmos "irregular, unrhythmical," from a- "not" (see a- (3)) + rhythmos "measured flow or movement, rhythm; proportion, symmetry" (see rhythm). Nativized form arrhythmy, in reference to metrics, is attested from 1844.
