ötüw

/øtyw/

Cases

SingularPluralWhen to use it
nominativeötüwthe passageötüwlethe passagesthe plain dictionary form — the doer of the sentence
genitiveötüwnüthe passage'sötüwlenithe passages'the owner — whose it is
accusativeötüwnüthe passage (as the object)ötüwlenithe passages (as the object)a specific, known object — whom or what
dativeötüwgeto the passageötüwlegeto the passagesdirection or recipient — to where, to whom
locativeötüwdeat / in the passageötüwledeat / in the passageswhere it is; also having — mende bar, "I have it"
ablativeötüwdenfrom the passageötüwledenfrom the passageswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myötüwümmy passageötüwlerimmy passages
yourötüwüngyour passageötüwleringyour passages
his / herötüwühis / her passageötüwlerihis / her passages
ourötüwübüzour passageötüwleribizour passages
you all'sötüwügüzyou all's passageötüwlerigizyou all's passages
theirötüwleritheir passageötüwleritheir passages

The overlap in the last rows is real, not a mistake: ötüwleri can mean "his / her passages", "their passage", or "their passages" — context decides.