ꦲꦏ꧀ꦱꦫ (Javanese) comes from Old Javanese akṣara, from Sanskrit अक्षर, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.
ꦲꦏ꧀ꦱꦫ (Javanese): letter