Reconstruction:Proto-Indo-European/h₂eh₁ter-

*h₂eh₁ter-

1. fire

• Anatolian:
  • Palaic: 𒄩𒀀 (ḫa-a /ḫā, hā/, “to be hot”)
• Armenian: *այր (ayr)
  • Old Armenian: այրեմ (ayrem)
    • Armenian: այրել (ayrel)
• Celtic: *ātis, *āti (“furnace, oven”)
  • Old Irish: áith (“drying-kiln (for grain)”)
    • Irish: áith
    • Manx: aiee
    • Scottish Gaelic: àth
  • Brythonic: *ọdɨn (“kiln”) (< *ātinos[1])
    • Old Cornish: Odencolc (“lime-kiln”) (toponym, + colc (“lime”))
      • Cornish: Odengalgh
    • Middle Welsh: odyn (“kiln”)
    • Welsh: odyn (“kiln”)
• Italic:
  • Latin: āter (“matte black”) - Possibly in sense of 'blackened by fire'. See also atrox (“fierce”), Atella (“an ancient Oscan city in Campania”), Atrius (“a family name”)
  • Umbrian: 𐌖𐌓𐌕𐌀 (atru, “fire”)
  • Oscan: 𐌔𐌉𐌉𐌓𐌝𐌃𐌀𐌀 (Aadíriis, “familial name akin to Latin 'Atrius'”)

• Indo-Iranian: *ātṛ- *ātar- (“fire”)
  • Iranian: *ātr-, *ātar- (“fire”) (see there for further descendants)
    • → Old Armenian: ատր- (atr-)
  • → Proto-Albanian: *ōtar
    • Albanian: vatër (“fireplace”), vatra (“bonfire, hearth”), votër (“fireplace”)
  • → Romanian: vatră (“fireplace, home”)
    • Aromanian: vatrã, veatrã
    • Istro-Romanian: votrę
    • Megleno-Romanian: vatră
    • → Gagauz: vatra (“hearth”)
  • → Bulgarian: ва́тра (vátra)
  • → Czech: vatra (“bonfire, hearth”)
  • → Polish: watra (“watchfire, bonfire”)
  • → Russian: ватру́шка (vatrúška)
  • → Serbo-Croatian: ва̏тра / vȁtra (“fire”)
  • → Ukrainian: ва́тра (vátra, “fireside, bonfire, hearth”)

• *h₂eh₁- (“to be warm”)
• *h₂eHs- (“to be/become dry, to burn, to glow, hearth, ashes”)
• *h₂eh₃- (“to be hot, to burn”)
• *h₁engʷ- (“to burn, fire”)
• *h₂éh₁-ti-s