A (kana) - Wikipedia A (hiragana: あ, katakana: ア) is a Japanese kana that represents the mora consisting of single vowel [a] The hiragana character あ is based on the sōsho style of kanji 安, while the katakana ア is from the radical of kanji 阿
あ - Wiktionary, the free dictionary あ • (a) The hiragana syllable あ (a) Its equivalent in katakana is ア (a) It is the first syllable in the gojūon order; its position is あ 行 あ 段 (a-gyō a-dan, “row a, section a”)