n- - "specific", this prefix denotes the action was done by a specified person or thing. Who is saying it? - kago nigawe'a?
hi- - "you", this is an "A" Class bound pronoun, used before a consonant.
-we- - infinitive verb stem for "say it, meow"
-a - present tense suffix.
Note: When "ni-" preceeds "hi-" it becomes "hni", thus "hniwe'a"
Example Sentences:
sogwili nigawe'a. - The horse is whinnying.
wesa nigawe'a. - The cat is meowing.
osisgo nigaw'a atsutsa. - Is the boy saying it well.