Fromeign(“ownership”) +fall(“case”), as the genitive often denotes ownership or belonging.
eignarfall n (genitive singulareignarfalls,nominative pluraleignarföll)
| singular | plural | |||
|---|---|---|---|---|
| indefinite | definite | indefinite | definite | |
| nominative | eignarfall | eignarfallið | eignarföll | eignarföllin |
| accusative | eignarfall | eignarfallið | eignarföll | eignarföllin |
| dative | eignarfalli | eignarfallinu | eignarföllum | eignarföllunum |
| genitive | eignarfalls | eignarfallsins | eignarfalla | eignarfallanna |