永えい久きゅう性せいMeaningsNoun1. permanencyKanji used永eternity久long time性nature (of a person)Pitch accentえいきゅうせいComposed of永えい久きゅうeternity; permanence; perpetuityNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun