Korea we use our own alphabetic character, 'Hangul', that is phonetic. However, from ancient time Korean has used Chinese letters as well. Usually when you write 'Eun(은 in Korean)' in Chinese, it sounds same but has several different letters. Two of them are most widely used. One 'Eun(銀)' means 'silver', and the other 'Eun(恩)' is 'grace' or 'blessing'. 'Ah(아 in Korean)' also has several meanings, but in girl's name the one used in common means 'beautiful'. Eun Ah is wriiten in Korean, '은아'. In Chinese, '銀娥' which means 'beautiful girl such as silver' or '恩娥' which means 'a beautiful girl who is blessed'.