はっせんねん 八千年 LinksSentence search for 八千年Sentence search for はっせんねんSentence search for やちとせSentence search for 八千歳Kanji details for 八, 千 and 年Edit in JMdict Noun1. 8000 years; thousands of years; eternityOther forms八千年 【やちとせ】、八千歳 【やちとせ】 Discussions Log in to talk about this word.