P / prŏtăsis
noun greek

prŏtăsis

gen. prŏtăsis · gender feminine · decl. 3rd
= πρότασις.
An assertion; proposition
An assertion, proposition (pure Lat. effatum), App. Dogm. Plat. p. 29.—
The beginning; first part of a play
The beginning or first part of a play, Don. Ter. And. praef.