isocolon

[ ahy-suh-koh-luh n ]
/ ˈaɪ səˌkoʊ lən /

noun, plural i·so·co·la [ahy-suh-koh-luh] /ˈaɪ səˌkoʊ lə/. Rhetoric.

a figure of speech or sentence having a parallel structure formed by the use of two or more clauses, or cola, of similar length, as “The bigger they are, the harder they fall.”

Origin of isocolon

[object Object] < Greek isókōlon, from neuter of isókōlos “of equal members,” equivalent to iso- (meaning “equal”) + colon1 (in the sense “a rhythmic measure within a prosodic sequence”)