Acts 2:4

4Andκαὶthey were filled withἐπλήσθησανallπάντεςSpiritπνεύματοςHolyἁγίου,andκαὶbeganἤρξαντοto speakλαλεῖνin otherἑτέραιςtonguesγλώσσαιςasκαθὼςtheτὸSpiritπνεῦμαwas givingἐδίδουto utter forthἀποφθέγγεσθαιto themαὐτοῖς.

And they were all filled with the Holy Spirit and began to speak in other tongues as the Spirit was giving to them to declare forth.