Strong's 4441 (πυνθάνομαι)

ask, demand, enquire, understand

to question, i.e. ascertain by inquiry (as a matter of information merely; and thus differing from G2065 (ἐρωτάω), which properly means a request as a favor; and from G154 (αἰτέω), which is strictly a demand for something due; as well as from G2212 (ζητέω), which implies a search for something hidden; and from G1189 (δέομαι), which involves the idea of urgent need); by implication, to learn (by casual intelligence)

middle voice prolonged from a primary (which occurs only as an alternate in certain tenses);