Acts 7:6

6SpokeἐλάλησενhoweverδὲthusοὕτωςὁGodθεὸςthatὅτιwill beἔσταιtheτὸseedσπέρμαof himαὐτοῦa sojournerπάροικονinἐνa landγῇstrangeἀλλοτρίᾳ,andκαὶthey will enslaveδουλώσουσινitαὐτὸandκαὶwill mistreat [it]κακώσουσινyearsἔτηfour hundredτετρακόσια·

And God spoke thus, that his seed will be a sojourner in a strange land, and they will enslave it and will mistreat [it] four hundred years.