John 4:4

ἔδει δὲ αὐτὸν διέρχεσθαι διὰ τῆς Σαμαρίας [Σαμαρείας].

Rough Word-by-word:
It was necessary and him to go through through the Samaria.

Smooth Translation:
And it was necessary for him to go through Samaria.

ἔδει verb imperfect active indicative 3rd singular from δεῖ (It is necessary) "It was necessary"

δὲ post positive conjunction "and/but"

αὐτὸν pronoun accusative singular masculine "him"

διέρχεσθαι verb present middle deponent infinitive from διέρχομαι (I go through) "to go through"

διὰ preposition with genitive "through"

τῆς definite article genitive singular feminine "the"

Σαμαρίας proper noun genitive singular feminine "Samaria" (note: UBS has Σαμαρείας)