Tepeu is a word of the K'iche' Maya language

K'iche' language

The K’iche’ language is a part of the Mayan language family. It is spoken by many K'iche' people in the central highlands of Guatemala. With close to a million speakers , it is the second-most widely spoken language in the country after Spanish...

 meaning "sovereign" (also "one who conquers" or "one who is victorious"). The title is associated with the god Gukumatz

Gukumatz

Q'uq'umatz was a deity of the Postclassic K'iche Maya. Q'uq'umatz was the feathered serpent god of the Popol Vuh who created humanity together with the god Tepeu...

 of the K'iche'-Maya, one of the creation gods of the Popol Vuh

Popol Vuh

Popol Vuh is a corpus of mytho-historical narratives of the Post Classic Quiché kingdom in Guatemala's western highlands. The title translates as "Book of the Community," "Book of Counsel," or more literally as "Book of the People."...

; his whole name translating as "Sovereign Plumed Serpent". The title has also been used by numerous K'iche' rulers

K'iche' Kingdom of Q'umarkaj

The K'iche' Kingdom of Q'umarkaj was a state in the highlands of modern day Guatemala which was founded by the K'iche' Maya in the thirteenth century, and which expanded through the fifteenth century until it was conquered by Spanish and Nahua forces led by Pedro de Alvarado in 1524.The K'iche'...

 such as Tepepul.

The word originated from the Nahuatl

Nahuatl

Nahuatl is thought to mean "a good, clear sound" This language name has several spellings, among them náhuatl , Naoatl, Nauatl, Nahuatl, Nawatl. In a back formation from the name of the language, the ethnic group of Nahuatl speakers are called Nahua...

Tepeuh.