一脉相承

一脈相承
yīmàixiāngchéng
traceable to the same stock (idiom); of a common origin (of trends, ideas etc)

CEDICT

to come down in one continuous line; can be traced to the same origin

Wiktionary

由一个血统或一个派别承传沿袭下来。《歧路灯．第九二回》：「虽分鸿胪、宜宾两派，毕竟一脉相承，所以一个模样。」也作「一脉相通」、「一脉相传」。

重編國語辭典

从同一血统、派别世代相承流传下来

維基詞典

Entry Composition

1 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
=2 脉 mài old variant of 脉 mài
=2 脉 mài
  1. arteries and veins
  2. vein (on a leaf, insect wing etc)
=2 脉 mài variant of 脉 mài
3 相承 xiāngchéng to complement one another