Sumitomo

== English == === Etymology === Borrowed from Japanese 住友 (Sumitomo). === Proper noun === Sumitomo (plural Sumitomos) A surname from Japanese. == Japanese == === Romanization === Sumitomo Rōmaji transcription of すみとも == Portuguese == === Etymology === Borrowed from Japanese 住友 (Sumitomo). === Proper noun === Sumitomo m or f by sense a surname from Japanese