sillón
/siˈʝon/ · B2 · noun · m
armchair
🛋️ sillón = silla (chair) + -ón (big): a big chair
Spanish adds the augmentative suffix -ón to mean bigger or more. Take silla, chair, add -ón, and you get sillón: an oversized, comfy chair, an armchair or recliner.