戸こ別べつ

noun which may take the genitive case particle 'no'

house-to-house; door-to-door; each house

Used as a no-adjective to describe activities done at every house, such as visits, deliveries, or surveys.

• 警けい察さつが戸こ別べつ訪ほう問もんを行おこなった。

  The police conducted house-to-house visits.

• 戸こ別べつ配はい達たつはコストがかかる。

  Door-to-door delivery is costly.