örten

/ ørten /

Cases

SingularPluralWhen to use it
nominative örten the fire örtenle the fires the plain dictionary form — the doer of the sentence
genitive örtenni the fire's örtenleni the fires' the owner — whose it is
accusative örtenni the fire (as the object) örtenleni the fires (as the object) a specific, known object — whom or what
dative örtenge to the fire örtenlege to the fires direction or recipient — to where, to whom
locative örtende at / in the fire örtenlede at / in the fires where it is; also having — mende bar, "I have it"
ablative örtenden from the fire örtenleden from the fires 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
my örtenim my fire örtenlerim my fires
your örteniŋ your fire örtenleriŋ your fires
his / her örteni his / her fire örtenleri his / her fires
our örtenibiz our fire örtenleribiz our fires
you all's örtenigiz you all's fire örtenlerigiz you all's fires
their örtenleri their fire örtenleri their fires

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