sürtüw

/syrtyw/

Cases

SingularPluralWhen to use it
nominativesürtüwthe wipingsürtüwlethe wipingsthe plain dictionary form — the doer of the sentence
genitivesürtüwnüthe wiping'ssürtüwlenithe wipings'the owner — whose it is
accusativesürtüwnüthe wiping (as the object)sürtüwlenithe wipings (as the object)a specific, known object — whom or what
dativesürtüwgeto the wipingsürtüwlegeto the wipingsdirection or recipient — to where, to whom
locativesürtüwdeat / in the wipingsürtüwledeat / in the wipingswhere it is; also having — mende bar, "I have it"
ablativesürtüwdenfrom the wipingsürtüwledenfrom the wipingswhere 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
mysürtüwümmy wipingsürtüwlerimmy wipings
yoursürtüwüngyour wipingsürtüwleringyour wipings
his / hersürtüwühis / her wipingsürtüwlerihis / her wipings
oursürtüwübüzour wipingsürtüwleribizour wipings
you all'ssürtüwügüzyou all's wipingsürtüwlerigizyou all's wipings
theirsürtüwleritheir wipingsürtüwleritheir wipings

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