續一切經音義 8.95

8.95

𡖦甥（上音外下音生釋親云妻之父為外舅妻之母為外姑郭注云謂我舅者吾謂之甥又曰姑之子為甥舅之子為甥郭注云甥猶生也）。

Waishēng (nephew/son-in-law) (the first character is pronounced wài, the second shēng. The Erya's "Explaining Kinship" states: "A wife's father is the maternal uncle (wàijiù), and a wife's mother is the maternal aunt (wàigū)." Guo's commentary states: "He who calls me uncle, I call nephew (shēng)." It also states: "The son of a paternal aunt is a shēng; the son of a maternal uncle is a shēng." Guo's commentary states: "Shēng is like [one who was] born [from the family].")