ürge

/yrɡe/

Cases

SingularPluralWhen to use it
nominativeürgethe mapleürgelethe maplesthe plain dictionary form — the doer of the sentence
genitiveürgenithe maple'sürgelenithe maples'the owner — whose it is
accusativeürgenithe maple (as the object)ürgelenithe maples (as the object)a specific, known object — whom or what
dativeürgegeto the mapleürgelegeto the maplesdirection or recipient — to where, to whom
locativeürgedeat / in the mapleürgeledeat / in the mapleswhere it is; also having — mende bar, "I have it"
ablativeürgedenfrom the mapleürgeledenfrom the mapleswhere 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
myürgemmy mapleürgelerimmy maples
yourürgengyour mapleürgeleringyour maples
his / herürgesihis / her mapleürgelerihis / her maples
ourürgebizour mapleürgeleribizour maples
you all'sürgegizyou all's mapleürgelerigizyou all's maples
theirürgeleritheir mapleürgeleritheir maples

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