"Kesy rōvon blēnon issa."

Translation: This one is a big mountain.

[Manuel49502]

Can someone tell me how the demonstrative (kony, bony, kesi etc) are exactly working?tenks

[Mitch16120]

Kesy - a singular inanimate object (this)
Kony - a singular inanimate object (that)
Kesi - a plural inanimate object (these)
Koni - a plural inanimate object (those)

Bony - a singular animate object (this)
Bisy - a singular animate object (that)
Boni - a plural animate object (these)
Bisi - a plural animate object (those)