Pr is the hieroglyph

Egyptian hieroglyphs

Egyptian hieroglyphs were a formal writing system used by the ancient Egyptians that combined logographic and alphabetic elements. Egyptians used cursive hieroglyphs for religious literature on papyrus and wood...

 for 'house', the floor-plan of a walled building with an open doorway. While its original pronunciation is not known with certainty, modern Egyptology assigns it the value of per, but purely on the basis of a convention specific to the discipline. However, the Ancient Greek rendering of the title pr-`3 as φαραώ suggests the reconstruction of the historical (Late Egyptian) pronunciation as *par, see Pharaoh#History of the Pharaoh title.

Pr combined with an associated "personal name

Name

A name is a word or term used for identification. Names can identify a class or category of things, or a single thing, either uniquely, or within a given context. A personal name identifies a specific unique and identifiable individual person, and may or may not include a middle name...

", god

God

God is the English name given to a singular being in theistic and deistic religions who is either the sole deity in monotheism, or a single deity in polytheism....

, or location becomes the "House of ....