the final day of a month / the thirtieth day of a lunar month

thirteenth day of the month

The hiragana syllable そ (so). Its equivalent in katakana is ソ (so). It is the fifteenth syllable in the gojūon order; its position is さ行お段 (sa-gyō o-dan, “row sa, section o”).

粗: / 疎:

十: ten / 衣: clothing / 背: back / 麻: hemp / 磯: rocky beach / 阻: / 俎: / 祖: ancestor / 疽: / 租: / 素: / 粗: / 疏: / 疎: / 酥, 蘇:

其, 夫:

楚:

祖先: ancestor

外: outside

外側: the outside, the exterior