Of Australian Aboriginal origin (Pintupi, to be precise), the meaning of this name is not yet known to me at the moment. A known bearer of this name was Waku Tjungurrayi, the father of Australian Aboriginal painter Takariya Napaltjarri (b. circa 1960).
From Japanese 和 (wa) meaning "harmony, Japanese style, peace, soften, Japan", 新 (wa) meaning "fresh, new", 笑 (wa) meaning "laugh", 羽 (wa) meaning "feathers" or 航 (wa) meaning "navigate, sail, cruise, fly" combined with 久 (ku) meaning "long time", 来 (ku) meaning "come, due, next, cause, become", 玖 (ku) meaning "beautiful black jewel, nine", 空 (ku) meaning "sky", 雲 (ku) meaning "cloud", 宮 (ku) meaning "Shinto shrine" or 紅 (ku) meaning "crimson, deep red". Other kanji combinations are possible.