per stirpes

per stirpes [pur stur-peez, per] Word Origin adjective, adverb Law.

1. pertaining to or noting a method of dividing an estate in which the descendants of a deceased person share as a group in the portion of the estate to which the deceased would have been entitled.

Compare per capita(def 2). Origin of per stirpes First recorded in 1675–85, per stirpes is from the Latin word per stirpēs literally, by stocks Word Origin and History for per stirpes

Latin, “by families, by stocks;” in legal use, for inheritances, etc., opposed to per capita.