ristia
Ristia is a term that can refer to several things, primarily a given name or a surname of Finnish origin. As a given name, it is typically a feminine name. Its etymology is not definitively established, but it is sometimes associated with words related to "cross" or "religious symbol" in various European languages, though this connection is speculative.
In some contexts, Ristia might also appear as a surname, often found in Finland. Surnames in Finland
Beyond personal names, the term "ristia" does not have a widely recognized or established meaning in common