||Cain knew his wife. She conceived and gave birth to Enoch. [Cain] was building a city, and he named the city Enoch, after his son.
Vayeda Kayin et-ishto vatahar vateled et-Chanoch vayehi boneh ir vayikra shem ha'ir keshem beno Chanoch.
Chanokh in Hebrew, from the root chanakh, to train or to educate.