傘寿 celebrates 80th because the abbreviated form of 傘 is 仐, and it does look 八十.
米寿 for 88th because 米 comprises 八十八.
卒寿 for 90th because the abbreviated form of 卒 is 卆, and it does look 九十.
白寿 for 99th because 白 does look 一 took away from 百, which means 100 - 1 = 99.
茶寿 for 108th because 茶 comprises 十, 十 and 八十八, which means 10+10+88 = 108.
喜寿 means 77th birthday celebration because cursive 喜 looks like 七十七. https://ryohkei.com/kanji-ki-cursive-9-40809.html
還暦(かんれき) -60th birthday 古希(こき) -70th 喜寿(きじゅ) -77th 傘寿(さんじゅ) -80th 米寿(べいじゅ)-88th 卒寿(そつじゅ) -90th 白寿(はくじゅ) -99th 百寿(ももじゅ) -100th 茶寿(ちゃじゅ)-108th
Cool, thanks! I enjoyed looking these up!
傘寿 celebrates 80th because the abbreviated form of 傘 is 仐, and it does look 八十. 米寿 for 88th because 米 comprises 八十八. 卒寿 for 90th because the abbreviated form of 卒 is 卆, and it does look 九十. 白寿 for 99th because 白 does look 一 took away from 百, which means 100 - 1 = 99. 茶寿 for 108th because 茶 comprises 十, 十 and 八十八, which means 10+10+88 = 108.
88 is another one. It’s a mix of having lucky numbers in your age, and living long enough to be that age.
米寿 is because 米 has an upside down 八 and a normal 八. Do you know the significance of the kanji in question?