The story
- Ancient Greekῐ̓́σος (ĭ́sos)
- Englishiso-
- Proto-Indo-European*ser-?
- Proto-Indo-European*srew-
- Proto-Indo-European*sru-dʰ-mo-s
- Proto-Hellenic*hrutʰmós
- Ancient Greekῥῠθμός (rhŭthmós)
- Ancient Greekῥυθμικός (rhuthmikós)
- Englishrhythmic
- Englishisorhythmic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayisorhythmically
From isorhythmic + -ally.
Etymology from Wiktionary, CC BY-SA 4.0.