sisterson
nounEtymology From Middle English systerson, sustersone, from Old English sweostorsunu, from Proto-West Germanic *swestersunu, from Proto-Germanic *swestērsunuz, equivalent to sister + son.
1
Nonstandard, Possibly, Rare The son of one's sister; sororal nephew
- But next year, to conserve the soil, it'll be put in alfalfa, and my sisterson Willy takes care of it then.1974, Martin Harry Greenberg, Patricia S. Warrick, Political Science Fiction:
- The Svarfdalers came out there to the coast; among their company were the Thorgrimssons, sistersons of Ljot, and the men of Ljot's household.1989, E. S. Shaffer, Comparative Criticism:
3 more examples
- […] Canon Tiedemann Giese (Polish Gize), a sisterson of the Ferbers Mauritius, Eberhard, and Hildebrand, to publish the pamphlet Floscvlorvm Lvtheranorvm De fide et operibus avēηλoуıкov, […]2003, Jeremi Wasiutyński, The Solar Mystery:
- Slit nostrils and gouged eyes ensured that Apius's exiled sister-sons need not be considered by the Senators.2010, Guy Gavriel Kay, Sailing to Sarantium:
- But the brothers and sons of Taminy were angry that Taminy was dead. And the sistersons of Taminy were angry, too.2013, Iver Cooper, 1636: Seas of Fortune: