In today’s episode, historical linguists and language documentarists Francesco Perono Cacciafoco (Associate Professor at Xi’an Jiaotong-Liverpool University, https://www.xjtlu.edu.cn/en/study/departments/school-of-humanities-and-social-sciences/department-of-applied-linguistics/department-staff/academic-staff/staff/francesco-perono) and Shiyue Wu (Linguistics’ major at Xi’an Jiaotong-Liverpool University) discuss their research on Historical Linguistics and endangered and undocumented languages. Francesco provides us with background on his work reconstructing, documenting, and analyzing place names (toponyms) in languages …