εἰλίονες
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
poet. pl., =
A brothers-in-law, whose wives are sisters, Pollux 3.32. (Prob. metri gr. for Ελίονες, cf. ἀέλιοι, OIcel. svilar (same meaning), Skt. syālás 'wife's brother'?)
