ἐρευνάω
1. "to seek or search for, search after, track", Hom., attic; ὧν χρείαν ἐρευνᾶι the things whereof "he seeks after" the use, i. e. whatever things he "finds" serviceable, Soph.
2. "to search" a place, Hdt., Theocr.
3. "to enquire after, examine", Eur., Plat.
4. c. inf. "to seek" to do, Theocr.