sofu祖父grandfatherNotegrandfatherBreakdown of sofu祖そ父ふsofugrandfather祖そ父ふ is a formal alternative for grandfather. You might encounter this word in written contexts or official documents. In most contexts it's advised to use お祖じい父さんさん instead, as it sounds more friendly and respectful.Elon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowNihon-shiki romanizationwatasi ha tyuugoku kara kimasitaHepburn romanizationwatashi wa chuugoku kara kimashita