Strong's Greek #669
ἀποφθέγγεσθαι

ἀποφθέγγεσθαι apophthengesthai — 1 Occurrence

Acts 2:4 - V-PNM/P
GRK: πνεῦμα ἐδίδου ἀποφθέγγεσθαι αὐτοῖς
NAS: was giving them utterance.
KJV: gave them utterance.
INT: Spirit gave to utter forth to them