Plural Nominative u lum ki lum Accusative ia u lum ia ki lum Instrumental da u lum da ki lum Dative ia, ha, or ia, ha, or sha u lum sha ki lum Ablative na u lum na ki lum Genitive jong u lum jong ki lum locative ha u lum ha ki lum Vocative ko lum ko phi ki lum The sign of the genitive case, jong, is sometimes omitted for the sake of brevity, e.
"The Khasis"
P. R. T. Gurdon
There was originally in all the Aryan languages a case expressive of locality, which grammarians call the locative.
"Lectures on The Science of Language"
Max Müller
Here, therefore, the termination of the locative is simply short i.
"Lectures on The Science of Language"
Max Müller