数すう億おく年ねんだった sūokunendatta Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Characters Comments Noun , Da Copula The past form of 数億年 1. Billions of years ago. Past/Perfective View similar words Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana Characters Help Written Form 数 kanji, 13 strokes number 億 kanji, 15 strokes hundred million 年 kanji, 6 strokes year だ hiragana, 6 strokes あ da っ hiragana, 1 strokes あ ' た hiragana, 4 strokes あ ta Reading す hiragana, 2 strokes あ su う hiragana, 2 strokes あ u お hiragana, 3 strokes あ o く hiragana, 1 strokes あ ku ね hiragana, 2 strokes あ ne ん hiragana, 1 strokes あ n だ hiragana, 6 strokes あ da っ hiragana, 1 strokes あ ' た hiragana, 4 strokes あ ta No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete