From ég (“sky”, basic sense) + bolt (“vault”, in the older sense as borrowed from Italian volta). Compare similar derivational patterns in English, such as for firmament, celestial sphere, vault of the heavens.
égbolt (usually uncountable, plural égboltok)
| Inflection (stem in -o-, back harmony) | ||
|---|---|---|
| singular | plural | |
| nominative | égbolt | égboltok |
| accusative | égboltot | égboltokat |
| dative | égboltnak | égboltoknak |
| instrumental | égbolttal | égboltokkal |
| causal-final | égboltért | égboltokért |
| translative | égbolttá | égboltokká |
| terminative | égboltig | égboltokig |
| essive-formal | égboltként | égboltokként |
| essive-modal | — | — |
| inessive | égboltban | égboltokban |
| superessive | égbolton | égboltokon |
| adessive | égboltnál | égboltoknál |
| illative | égboltba | égboltokba |
| sublative | égboltra | égboltokra |
| allative | égbolthoz | égboltokhoz |
| elative | égboltból | égboltokból |
| delative | égboltról | égboltokról |
| ablative | égbolttól | égboltoktól |
| non-attributive possessive - singular |
égbolté | égboltoké |
| non-attributive possessive - plural |
égboltéi | égboltokéi |
| Possessive forms of égbolt | ||
|---|---|---|
| possessor | single possession | multiple possessions |
| 1st person sing. | égboltom | égboltjaim |
| 2nd person sing. | égboltod | égboltjaid |
| 3rd person sing. | égboltja | égboltjai |
| 1st person plural | égboltunk | égboltjaink |
| 2nd person plural | égboltotok | égboltjaitok |
| 3rd person plural | égboltjuk | égboltjaik |