Where does “svärmorsdröm” come from?

svärmorsdröm (Swedish) comes from Swedish svärmor, from Swedish mör, from Latin maurus, from French maure, from Middle French moré, from Old French More, from Latin Maurus, from Ancient Greek Μαυρούσιος — Creates adjectives from noun or verb stems.

svärmorsdröm (Swedish): A person (usually male) whom a hypothetical mother would consider extremely eligible for marrying their child (usually female), often on account of being kind, caring, well-mannered, and successful in life