三輔

三辅
sānfǔ
  1. (archaic) the area in and around Chang'an
  2. (archaic) the three auxiliary defensive zones (which surrounded the ancient capital at Chang'an)
  3. the area in and around Chang'an
  4. the three auxiliary defensive zones (which surrounded the ancient capital at Chang'an)

Wiktionary

Entry Composition

=1 三 Sān surname San
=1 三 sān
  1. three
  2. 3
2 輔 fǔ
  1. to assist
  2. to complement
  3. auxiliary