sasura

father-in-law Vin.iii.137; MN.i.168; AN.ii.78; Vv-a.69, Vv-a.121; Thig.407 (sassura); Ja.i.337 sassu-sasurā mother-and father-in-law Ja.ii.347; Ja.iii.182 Ja.iv.38; Ja.vi.510; the form sassura Thig.407 has probably arisen through analogy with sassu
■ f. sasurī Vv-a.69.

Vedic śvaśura, f. śvaśrū (see P. sassū), Idg. *sṷekuros, *sṷekrū; cp. Gr. ἑκυρός & ἑκυρά; Lat. socer socrus; Goth. swaihra & swaíhrō, Ags. swēor & sweger Ohg. swehur & swigar