is

third person singular indicative of wêze

troch

1. through
2. by; used to identify the agent of a verb

de

the; definite article

polysje

Alternative form of plysje

op

• Adv

  1. up
  2. onto

• Prep

it

• Pron

  it (third-person singular neuter pronoun)

• Det

buro

1. desk
2. office where records are kept
3. bureau