n.血统，门第
Merriam-Webster Online Dictionary
pedigree (noun)1.
a register recording a line of ancestors
2.
a) an ancestral line - lineage
b) the origin and the history of something , broadly - background history
3.
a) a distinguished ancestry
b) the recorded purity of breed of an individual or strain
Merriam-Webster Online Thesaurus
pedigree (noun)the line of ancestors from whom a person is descended
SYNONYMS:
birth, blood, bloodline, breeding, descent, extraction, family tree, genealogy, line, lineage, origin, parentage, pedigree, stock, strainRELATED WORDS:
heredity, succession; family, house; kin, kindred, relations, relatives; raceNEAR ANTONYMS:
offspring; child, heir, inheritor, son, successor