Save Gender Masculine Usage Japanese Scripts アツム(Japanese Katakana) 纂, 集, 侑, etc.(Japanese Kanji) Pronounced Pron. AH-TSOO-MOO [key] Meaning & History From 侑 (atsumu) meaning "to help, to assist, urge to eat", 集 (atsumu) meaning "to gather, congregate" or 纂 (atsumu) meaning "editing, compiling, gather". Other spellings are possible.