The Greek word for one is
ένα

Translations for one and their definitions

ένα	©
1. art. (tlb, indefinite)
2. art. a, an:
3. art. masculine form of ένας
4. art. nominative and accusative neuter form of ένας
5. num. one:
6. num. masculine form of ένας
7. num. nominative and accusative neuter form of ένας

Pronunciation