katutilaisen
The term "katutilaisen" appears to be a Finnish word. In Finnish, "-lainen" is a suffix that denotes belonging to a place, people, or group. Therefore, "katutilaisen" likely refers to someone or something associated with or originating from a place named "Katu" or a related term. Without further context, the precise meaning of "Katu" itself is difficult to ascertain, as it can have various interpretations in Finnish, such as "street" or possibly a proper noun.
If "Katu" is a place name, then "katutilaisen" would describe an inhabitant or something characteristic of that
To provide a more definitive explanation, additional information regarding the origin and usage of the term
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