For example:
* Finnish: "ettan" can mean "first" or "unit"
* Swedish: "ettan" can also mean "first" or "unit"
* German: "ettan" could be a misspelling of "etwas" (something)
* Other languages: It could be a completely different word with a different meaning.
To help me understand what you're looking for, please provide me with:
* The language: What language is the word "ettan" from?
* The context: What is the word "ettan" referring to? Is it part of a sentence, a phrase, or a title?
Once I have this information, I can help you find the most likely meaning of "ettan."