恒こう久きゅう性せいMeaningsNoun1. permanence; perpetuityKanji used恒constant久long time性nature (of a person)Composed of恒こう久きゅうpermanence; perpetuityNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun