In
Sanskrit grammar a
tatpuru?a (????????) compound is a dependent determinative
compound, i.e. a compound XY meaning a type of Y which is related to X in a way corresponding to one of the grammatical
cases of X.
There are many tatpurusas (one for each of the noun cases, and a few others besides); in a tatpuru?a, one component is related to another. For example, "doghouse" is a dative compound, a house for a dog. It would be called a caturthi-tatpuru?a (caturthi refers to the fourth case — that is, the dative). The most frequent kind is the genitive tatpuru?a. Examples are-
The word "tatpurusa" is an example of the type see in the list above.
Note in Vedic Sanskrit rájaputra is a bahuvrihi and means "having a king as a son", and rajapútra is a tatpuru?a and means "king's son" notice where the Vedic udatta accent is.