Compounds of 門戸

• 門戸
  (n) door
  (P)
• 門戸開放
  (n,adj-no) open door policy
• 門戸を開く
  (exp,v5k) to (metaphorically) open the door (to)
• 門戸を閉ざす
  (exp) to exclude
  to close the door to
• 門戸開放政策
  (n) open door policy