(Q1480871)

4-syllable metrical foot of light-light-heavy-heavy (⏑⏑‒‒); occurs in ancient Greek and Latin poetry; e.g: Mĭsĕrārūm (e)st nĕqu(e) ămōrī dărĕ lūdūm nĕquĕ dūlcī (Horace)