How do originally Roman meters differ from Greek inheritance?

1. What meter is used in Greek poetry?
2. What is Greek meter?

What meter is used in Greek poetry?

The Iambic trimeter is a meter of poetry consisting of three iambic units (each of two feet) per line. In ancient Greek poetry and Latin poetry, an iambic trimeter is a quantitative meter, in which a line consists of three iambic metra.

What is Greek meter?

The term meter, as used in the study of literature, is ordinarily associated with rhythm in poetry. As such, this word is more specialized in its applications than the ancient Greek word metron from which it is derived, which means simply 'measure'.