MAP

Isengard

Sindarin: Angrenost ‘Iron Fortress’

ang S – iron E
angren S – of iron E
* ⁓en S – of ⁓ E
ost S – (fortified) city E

English: Isengard

isen E – iron E
-gard E – fortress E

References: Case-sensitive: LR(163), LR/Index(23), FR(12), TT(112), RK(16), S(7), UT(64), VI(2), VII(64), VIII(169), IX(24), XI(2), XII(17) Case-insensitive: VII(1), VIII(6), X(1)

German: Isengart ‘Isengard’

References: Verified: Sde

Angrenost / Isengard — Tolkien Gateway

Orthanc / Isengard / Angrenost / Ring of Isengard / Circle of Isengard / Isengard & Orthanc / Treegarth of Orthanc — The Thain's Book

Angrenost, The ringed fortress also called Isengard. — Encyclopedia Arda

Isengard, The fortress of Saruman. — Encyclopedia Arda