The empire, or at least the dynasty, was founded by Osman Bey, and Ottoman is a Latinization of Osmanli, which basically means like the House of Osman.

帝国，或者至少是王朝， 是由奥斯曼贝伊建立的，而奥斯曼是奥斯曼利的拉丁化， 基本上意味着像奥斯曼之家。