Arsis and thesis - Oxford Reference
Accordingly, in music and in Greek scansion arsis is an unaccentednote (upbeat ). However, in discussions of Latin and modern poetrythe word arsis is generally used to mean the stressed syllable of thefoot, that is, the ictus .
Get this from a library! Arsis and thesis. [Walter Edmond Sear]
In Latin (and Greek) dactylic hexameter , the strong part of a footis the first syllable — always long — and the weak part is whatcomes after — two short syllables (dactyl : long—short—short) orone long syllable (spondee : long—long). Because Classical poetrywas not based on stress, the arsis is often not stressed; onlyconsistent length distinguishes it.
In music and prosody , ARSIS AND THESIS (plural arses and theses)refer to the stronger and weaker parts of a musical measure or poeticfoot . were the raising and lowering of the foot inbeating of time or in marching or dancing. An ancient Greek writer,Bacchius, states: "What do we mean by arsis? When our foot is in theair, when we are about to take a step. And by thesis? When it is onthe ground."