"PIE" . "NaN"^^ . _:B2944ffcb582e0440c7fbff07e443ac5d . "*h₂eḱ‑u‑" . "Etymology for: acu‑ (la0015)" . "*h₂eḱ‑u‑" . . _:B2944ffcb582e0440c7fbff07e443ac5d "*h₂eḱ‑u‑" .