The word "bteams" most likely refers to backup teams or backup groups. Backup teams are groups of individuals who are ready to provide support or take over if the main team is unavailable or unable to perform their duties. They serve as a contingency plan to ensure that tasks and responsibilities are still carried out smoothly.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Sub groups. Explanations are generated by AI and may be inaccurate.