[letter] Heng is a letter of the Latin alphabet, derived from h combined with something similar to eng. It was used word-finally in early transcriptions of Mayan languages, where it may have represented a uvular fricative. It is sometimes used to write Judeo-Tat. It has been occasionally used by phonologists to represent a hypothetical phon... Found on http://en.wikipedia.org/wiki/Heng_(letter)