atavusglossary / ATAVUS atavus (at-[schwa]-v[schwa]s), n. [Latin] Roman & civil law. The male ascendant in the fifth degree; a great-grandfather’s or great-grandmother’s grandfather; a fourth grandfather. 词条贡献者 法律翻译晓琳,国际知名商学院金融专业,专注翻译各类与金融服务与投资管理有关的法律文件。