*h₂(e)r(ḱ)‑s

http://lila-erc.eu/data/lexicalResources/BrillEDL/id/etymon/pie0086 an entity of type: Etymon

Etymology for: arx (la0117)
*h₂(e)r(ḱ)‑s
*h₂(e)r(ḱ)‑s 
90170 
PIE 

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