eli

/eli/

Cases

SingularPluralWhen to use it
nominativeelithe finger's breadthelilethe finger's breadthsthe plain dictionary form — the doer of the sentence
genitiveelinithe finger's breadth'selilenithe finger's breadths'the owner — whose it is
accusativeelinithe finger's breadth (as the object)elilenithe finger's breadths (as the object)a specific, known object — whom or what
dativeeligeto the finger's breadthelilegeto the finger's breadthsdirection or recipient — to where, to whom
locativeelideat / in the finger's breadtheliledeat / in the finger's breadthswhere it is; also having — mende bar, "I have it"
ablativeelidenfrom the finger's breadtheliledenfrom the finger's breadthswhere 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
myelimmy finger's breadthelilerimmy finger's breadths
yourelingyour finger's breadthelileringyour finger's breadths
his / herelisihis / her finger's breadthelilerihis / her finger's breadths
ourelibizour finger's breadthelileribizour finger's breadths
you all'seligizyou all's finger's breadthelilerigizyou all's finger's breadths
theirelileritheir finger's breadthelileritheir finger's breadths

The overlap in the last rows is real, not a mistake: elileri can mean "his / her finger's breadths", "their finger's breadth", or "their finger's breadths" — context decides.