Definition from Wiktionary, the free dictionary
ποιανού • (poianoú) (interrogative)
- Genitive masculine singular form of ποιος (poios) ("who, which").
- Genitive neuter singular form of ποιος (poios) ("who, which").
This word is only used for people, whereas its alternative form - ποιου (poiou) - may be used for people and things.