"PIE" . "NaN"^^ . _:B2d7fe469676f40b1a499a2b81d0b19ef . "*h₂eḱ‑u‑" . "Etymology for: acu‑ (la0015)" . "*h₂eḱ‑u‑" . . _:B2d7fe469676f40b1a499a2b81d0b19ef "*h₂eḱ‑u‑" .