Proto-IE: *er- <PIH *-rH->
Meaning: earth, arable land
Hittite: ? irha- 'border', h.l. irha- 'Grenze, meist pl. fines', luw. irhatt- 'série, cercle', Lyk. ere (?) -- cf. #59, Hitt arha- 'Grenze' usw.
Tokharian: ? B yare 'gravel' (Adams 483, without defin. etymology)
Armenian: erkir `Erde' (k nach erkin `Himmel')
Old Greek: érǟ f. `Erde'; érazde `zur Erde'; polǘēro- 'rich in land' Hsch., acc. eresi-mḗtrēn = tḕn geōmetrían Hsch.
Celtic: MIr ert `Erde, Grund'; es-ert `Mann ohne Grundbesitz'; Cymr erw, pl. erwi, erwydd f. `Feld', Corn erw, ereu `Feld', OBret, Mbret eru `Furche', NBret ero `Furche'
Russ. meaning: земля, пахотная почва
