"PIE" . "124472" . _:B734d79a7X3A195d1e795f5X3A265c . "Etymology for: serēnus (la1494)" . "*Kseh₁‑ró‑" . "*Kseh₁‑ró‑" . . _:B734d79a7X3A195d1e795f5X3A265c "*Kseh₁‑ró‑" .