адъ

Borrowed from Ancient Greek ᾍδης (Hāídēs).

адъ • (adŭ) m

1. hell, Hades, Sheol, the abode of the dead before the Last Judgement
   • Ретъко, editor (1025±50?), Codex Suprasliensis‎^[1] (in Old Church Slavonic), page (leaf) 224.5, line 7:

     богъ въ малѣ о̑усьпе · и҅ съпꙙштꙙѧ о҅тъ вѣка о҅тъ а҅да въскрѣси ·

     bogŭ vŭ malě ȏusĭphe · i sŭpęštęjhę otŭ věkha otŭ hada vŭskrěsi ·

     For a short time God fell asleep, and awoke out of Hell those who were sleeping from of old.

2. (less commonly) hell, Gehenna, the abode of the damned after judgement

• Serbo-Croatian: ад
• Bulgarian: ад (ad)
• → Old East Slavic: адъ (adŭ)
  • Russian: ад (ad), адъ (ad) — Pre-reform orthography (1918)
    • → Ingrian: aada, vaadu
    • → Kildin Sami: адт (adt)
• → Romanian: iad

From Old Church Slavonic адъ (adŭ), from Ancient Greek ᾍδης (Hāídēs).

• Hyphenation: адъ

адъ (adŭ) m

1. hell

• Russian: ад (ad), адъ (ad) — Pre-reform orthography (1918)
  • → Ingrian: aada, vaadu
  • → Kildin Sami: адт (adt)

• Zaliznjak, Andrej A. (2019) “Drevnerusskoje udarenije: Obščije svedenija i slovarʹ.”, in Languages of Slavic Culture‎^[2] (in Russian), Moscow: Institute for Slavic Studies of the Russian Academy of Sciences, page 537: “адъ ― ad”