数億年 すうおくねん Common noun (common) (futsuumeishi) 数億年すうおくねん Common Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) several hundred million years 漢字 kanji used 数 number, strength 13画 億 hundred million, 10**8 15画 年 year, counter for years 6画
数億年すうおくねん Common Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) several hundred million years
Shirabe