What would the Greek word be for opportunity?

There isn't one single perfect Greek word for "opportunity," as the best translation depends on the nuance you want to convey. However, here are a few options with slightly different connotations:

* Ευκαιρία (Eυkairía): This is probably the closest and most common translation. It implies a favorable moment or a good chance.

* Πρόσκληση (Prósklisi): This means "invitation" or "challenge," and could be used if the opportunity is presented as an invitation to act.

* Δυνατότητα (Dynatótita): This translates to "possibility" or "capability," emphasizing the potential inherent in the opportunity.

* Περίσταση (Perístasi): This means "circumstance" or "occasion," and would be appropriate if the opportunity arises from a specific set of circumstances.

The best word to use would depend on the context. For most general uses, Ευκαιρία (Eυkairía) is the safest and most accurate choice.