小こ炭ずみじ字FuriganaMeanings1nounsmall charcoalRefers to charcoal pieces that are smaller than standard size, often used for specific cooking or heating purposes.七しち輪りんで小こ炭ずみを使つかうと火ひ加か減げんがしやすい。When using small charcoal in a shichirin, it's easier to control the heat.
