category (a group, often named or numbered, to which items are assigned based on similarity or defined criteria) · class, course · orbit
çekim: çoğul कक्षाएँ
köken: Learned borrowing from Sanskrit कक्षा (kakṣā). The sense "class, course" didn't exist in Sanskrit and is a calque of English class, which means both "category" and "course, a group of students studying together".