Many yoga classes end with the instructor explaining 'namaste' as 'the divine in me bows to the divine in you.' Luis Alvarez/DigitalVision via Getty Images“Namaste,” a common greeting in India and South Asia, has become a global cultural phenomenon – the word appears everywhere, from wellness retreats to political events to pop culture. In many yoga classes in North America and Europe, it is a ritual to end practice by saying “namaste,” which me…