käyttäjänimillään

Käyttäjänimillään is a Finnish word that translates to "with their usernames" or "by their usernames" in English. It is the adessive plural form of the noun "käyttäjänimi," which means "username." The adessive case in Finnish indicates possession, accompaniment, or the means by which something is done. Therefore, "käyttäjänimillään" signifies that something is related to, done with, or characterized by the usernames belonging to a group of people.

In online contexts, this phrase might be used to describe actions or attributes associated with a collection of user accounts. For example, one could discuss how a community is identified by its members' usernames, or how certain online activities are performed using specific usernames. The word highlights the collective aspect of usernames, suggesting that the usernames themselves are significant in a particular situation involving multiple users. It implies that the usernames are not just identifiers but also possess a certain function or meaning within the context they are used. The adessive ending "-llään" specifically refers to the users themselves and their respective usernames.