原げん因いん不ふ明めいMeaningsNounNo-adjective1. cause unknownKanji used原original因cause不negative明brightComposed of原げん因いんcause; origin; sourceNoun不ふ明めいunclear; obscure; indistinct; uncertain; ambiguous; unknown; unidentified; ignorance; lack of wisdom; lack of insightNa-adjective