Velars are consonants articulated with the back part of the tongue (the dorsum) against the soft palate, the back part of the roof of the mouth, known also as the velum). Since the velar region of the roof of the mouth's relatively extensive and the movements of the dorsum aren't very precise, velars easily undergo assimilation, shifting their articulation back or to the front depending on the quality of adjacent vowels. They often become automatically fronted, that's partly or completely palat… (More on Velars)