Sphinx Riddle #2

Riddle: There are two sisters; one gives birth to the other, who in turn gives birth to the first. Who are they?

Answer: Day and night. Both words that are both feminine in the Greek language.

Source: https://www.riddles.com/3367

Riddle: There are two sisters; one gives birth to the other, who in turn gives birth to the first. Who are they? Answer: Day and night. Both words that are both feminine in the Greek language. — by Sphinx Riddles v1.

Riddle: There are two sisters; one gives birth to the other, who in turn gives birth to the first. Who are they? Answer: Day and night. Both words that are both feminine in the Greek language. — by Sphinx Riddles v2.