What is the Greek word for use?

There isn't one single perfect Greek word for "use" as the meaning depends heavily on context. However, several words could be appropriate depending on the nuance:

* χρήσις (chrēsis): This is probably the closest single word and means "use," "usage," or "application." It implies a practical or functional use.

* επίδρασις (epidosis): This translates to "effect," "influence," or "impact." It would be suitable if the "use" resulted in a noticeable change or consequence.

* εφαρμογή (epharmogē): This means "application" or "implementation," and is appropriate if you're talking about applying something (a method, a law, etc.).

* απασχόληση (apascholēsi): This means "occupation," "employment," or "use (of time)." It's relevant if the "use" refers to something being occupied or employed for a purpose.

To choose the best word, you need to provide the context of how "use" is being employed in your sentence.