甥舅 [－－]

Jyutping sang1 kau5
Pinyin shēng jiù

Definitions (Wiktionary)
  1. noun, broadly, literary
    relatives of a king or emperor on his mother's or wife's side
  2. noun, literary
    son-in-law and father-in-law
  3. noun, literary
    feudal princes of different surnames
  4. noun
    sororal nephew and maternal uncle
  5. verb, literary
    to be intermarried