MAP

Moria

Sindarin: Moria ‘Black-chasm’ (as also known in English, German)

môr S – dark E
iâ – abyss, void
môr + iâ → moria, lenition, vowel shortening

References: Case-sensitive: H(8), LR(125), LR/Index(34), FR(74), TT(14), RK(3), S(17), UT(38), I(2), II(1), III(2), V(7), VI(82), VII(172), VIII(6), IX(11), XI(6), XII(80), Etym.(2), Hde1(8) Case-insensitive: LR(1), FR(1), VI(4), VII(10)

Khuzdul: Khazad-dûm ‘Dwarf-delving (Dwarrowdelf)’

khazad K – dwarf E
dûm K – delving E

Sindarin: Hadhodrond ‘Dwarf-delving (Dwarrowdelf)’

hadho S – dwarf E
rond S – dome E

Ñoldorin: Casarrondo ‘Dwarf-delving (Dwarrowdelf)’

casar N – dwarf E
rondo N – dome E

Westron: Phurunargian ‘Dwarf-delving (Dwarrowdelf)’

phuru W – delving E
nargian W – dwarves E, presumed as "nauco" is Quenya for dwarf

Black Pit — Tolkien Gateway

Dwarrowdelf — Tolkien Gateway

Hadhodrond — Tolkien Gateway

Khazad-dûm / Moria / Halls of Durin — Tolkien Gateway

Moria — The Thain's Book

Black Chasm, The darkness of Moria. — Encyclopedia Arda

Black Pit, A name for Moria. — Encyclopedia Arda

Hadhodrond, The Elvish rendering of Khazad-dûm. — Encyclopedia Arda

Khazad-dúm / Khazad-dûm, The Mansions of Durin and his Kin. — Encyclopedia Arda

Mines of Moria, The Dwarf-delvings of Khazad-dûm. — Encyclopedia Arda

Moria, The Black Chasm. — Encyclopedia Arda

Phurunargian, The Westron name of Khazad-dûm. — Encyclopedia Arda

Dwarrowdelf, The Mannish name for Khazad-dûm. — Encyclopedia Arda