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)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).