σπουδάζειν ὑπέρ
From LSJ
Greek > English (Woodhouse)
be a stickler for, be anxious about, be concerned about, have strong views on, hear with pleasure, interest oneself in, take an interest in, trouble about
be a stickler for, be anxious about, be concerned about, have strong views on, hear with pleasure, interest oneself in, take an interest in, trouble about