Complex sentence: The word "Pandava" is derived from their father's name, "Pandu" (Sanskrit: पाण्डु) and means "descendants (sons) of Pandu".
Split into simpler sentences: The word "Pandava" is derived from their father's name, "Pandu" (Sanskrit: पाण्डु). So the meaning of the word is "descendants (sons) of Pandu".