In his 40s and after, Zeamidabutsu, his Buddhist name in Jishu sect of Buddhism (In jishu, posthumous Buddhist names of men is Amida-nyorai (Amidabutsu) Go (byname). Ze (Se) came from Kanze) was abbreviated as Zeami and he became to be called Zeami.
40代以降に時宗の法名（時宗の男の法名（戒名）は阿弥陀如来（阿彌陀佛）号であり、ちなみに世は観世に由来）である世阿弥陀仏が略されて世阿弥と称されるようになった。