heredity (n.)youdaoicibaDictYouDict[heredity 词源字典]
1530s, from Middle French hérédité (12c.), from Latin hereditatem (nominative hereditas) "heirship, inheritance, condition of being an heir," from heres (genitive heredis) "heir, heiress," from PIE root *ghe- "to be empty, left behind" (source also of Greek khera "widow"). Legal sense of "inheritable quality or character" first recorded 1784; the modern biological sense seems to be found first in 1863, introduced by Herbert Spencer.[heredity etymology, heredity origin, 英语词源]
parcenaryyoudaoicibaDictYouDict
"Joint heirship; = coparcenary", Late Middle English; earliest use found in Domesday Ipswich. From Anglo-Norman parcenerie, parcenarie and Old French parsonerie, parsenerie, Old French, Middle French parçonerie (1200; compare French regional (Normandy) personnerie, (Jersey) parchonnerie association) from parçon + -erie, after parçonier; compare -ery, -ary.