Star Trek is the source of the Klingon language.
The Klingon language ( tlhIngan Hol , [ ˈt͡ɬɪ.ŋɑn χol ] , in pIqaD ) is the constructed language spoken by the fictional Klingons in the Star Trek universe . Star Trek . The series has its own full-fledged constructed language , Klingon . The Klingon Way . The Klingon Way is a collection of proverbs and sayings in the constructed language of Klingon , ascribed to the Klingon race and Klingon culture in the fictional Star Trek universe .