allographWiktionary 原文构词拆分allo-前缀(biology, medicine) Nonself; nonself but of the same species. · External, outside, or from a separate location.+-graph后缀that writes · (metonymic) that is written词源说明From allo- + -graph.释义（英文）名词 NounA variant form of a letter (or other grapheme).A signature made by one person for another.