えいきゅう 永久 Common word JLPT N3 Wanikani level 32 Play audio LinksSentence search for 永久Sentence search for えいきゅうKanji details for 永 and 久Edit in JMdict Noun, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'1. eternity; permanence; perpetuityかれ彼はえいきゅう永久ににほん日本をはな離れた。He left Japan for good.Noun2. Eikyū era (1113.7.13-1118.4.3)Historical term Discussions Log in to talk about this word.