The kanji 洗 generally means "to wash," "to clean," or "to cleanse." It implies the removal of dirt, impurities, or anything unwanted by using water or a similar agent. The core concept revolves around making something pure or refreshed.

・On-yomi (音読み): セン (sen) ・Kun-yomi (訓読み): あ（らう） (arau) - to wash

⚫︎ 手洗（てあら）い Translation: hand washing ⚫︎ 洗濯（せんたく） Translation: washing; laundry ⚫︎ 洗顔（せんがん） Translation: washing one's face

The kanji 洗 is a 形声文字 (keisei moji), a phonetic-semantic compound. The left side is the radical 氵 (さんずい) which signifies "water." The right side is 先 which originally represented "a boat" and later acquired the meaning of "before," "ahead," or "first." Together, 洗 suggests "to cleanse" or "to wash" by using water to remove impurities, implying a process of making something new or refreshed, like preparing something before the next step. The radical 氵 (さんずい) indicates the meaning related to water, which is fundamental to the act of washing. The other part of the character, 先, contributes to the sound and subtly suggests the idea of making something "fresh" or "new" before a following act. Over time, this character evolved to embody the broader concept of washing and cleansing.