arx
Von uig. *h₂erk- „beschützen, bewachen, festhalten, verriegeln“. Kognate sind arca „Truhe, Kiste“, arceō „ich verteidige“, arcānus „verborgen, geheim“, arcera „überdachter Wagen für Kranke“ und das altarmenische արգել (argel, „Hindernis“). und Altgriechisch ἀρκέω arkéō.
arx f (genitive arcis); third declension
- stronghold, castle, citadel, fortress, acropolis [ quotations ▼]
- (figuratively) defence, protection, refuge, bulwark
- tyranny (with arx as the abode of tyrants)
- (metonymically) height, summit, pinnacle, top, peak (since castles were often built on heights) [ quotations ▼]
Third-declension noun (i-stem).
| Case | Singular | Plural |
|---|---|---|
| Nominative | arx | arcēs |
| Genitive | arcis | arcium |
| Dative | arcī | arcibus |
| Accusative | arcem | arcēs arcīs |
| Ablative | arce | arcibus |
| Vocative | arx | arcēs |