What is the meaning of Nis?

A nix; a hobgoblin, especially one that resides in a farm house.

Contraction of ne is

niche

to start, to begin

to prepare for a journey

water

water

water

two (in counting)

water

water

Contraction of ne is (is not).

Contraction of ne is (is not).

it

him

her

this one (prox acc)

water

water

water

water

water

water

water

water

water

water

water

water

juice

watery

water

water

juice

watery

plural of ni

niche

Kerry form of inis (to tell)

genitive singular of neas (moulding-block)

plural of ni

Clipping of a-nis (now).

Nasal mutation of dis.

Source: wiktionary.org