The term LA PRO is a combination of two words, 'LA' and 'PRO'. The first word, 'LA', stands for Los Angeles, the second largest city in the United States. The second word, 'PRO', stands for professional, which is a term used to describe someone who is highly skilled in their field. The crossword solution for this term is 'LAKER', which is a reference to the Los Angeles Lakers, a professional basketball team based in Los Angeles. The Lakers are one of the most successful teams in the NBA, having won 16 championships since their founding in 1947.