The letter "吉" is mistekely written "𠮷", which is wrong and correctly "吉"; the upper part must be "士", samurai, not "土", soil. The letter "吉" which hieroglyphically shows putting a lid "士" on a filled pot "口" means good, happy, fortune and lucky. Such letters "壱", "壹", "結", and "詰" are kindred to the letter "吉".
吉という字
The letter "吉" is mistekely written "𠮷", which is wrong and correctly "吉"; the upper part must be "士", samurai, not "土", soil. The letter "吉" which hieroglyphically shows putting a lid "士" on a filled pot "口" means good, happy, fortune and lucky. Such letters "壱", "壹", "結", and "詰" are kindred to the letter "吉".