ὑπερήδομαι
From LSJ
ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
English (LSJ)
Pass.,
A rejoice beyond measure at a thing, τοῖσι χρηστηρίοισι Hdt.1.54; τῷ πόματι Id.3.22: c. part., ἀκούων ὑπερήδετο he rejoiced much at hearing, Id.1.90, X.Cyr.3.1.31: also ὑ. ὅτι . . ib.8.3.50. II Act., please exceedingly, Hdn.2.3.11.
German (Pape)
[Seite 1195] dep. pass., sich über die Maaßen freuen; τινί, über Etwas, Her. 1, 54; absolut, Luc. V. H. 1, 30; c. partic., Her. 1, 90; Xen. Cyr. 3, 1, 31; ὅτι, 8, 3, 50.