κηδεστής
From LSJ
English (LSJ)
Dor. κᾱδεστάς AP7.712 (Erinna), οῦ, ὁ: (κῆδος, κηδεύω): —
A connexion by marriage, Pl.Lg.773b, X.Mem.1.1.8, Arist. Pol.1312b16, Cerc.17.25 (pl.), Ph.2.555 (pl.), etc.; esp. 1 son-in-law, Antipho 6.12, Isoc.10.43. 2 father-in-law, Ar.Th.74, 210, D.19.118, etc.; also, step-father, Id.36.31. 3 brother-in-law, E. Hec.834, And.1.50, Lys.13.1, Is.6.27, D.30.12, Timae.84.