A

The first letter of the Polish alphabet, called a and written in the Latin script.

wiedział

third-person singular masculine past of wiedzieć

co to jest

what is it?

byś

Combined form of by + -ś

mówił

third-person singular masculine past of mówić

nie

• Particle

  negation particle; no, not

• Verb
• Pron

martw

second-person singular imperative of martwić

co

• Pron

  1. interrogative pronoun; what
  2. pronoun for introducing a subordinate clause that narrows the scope of the main clause; which, that; what; who
  3. pronoun that attaches a relative clause to the main clause; which, that; what; who
  4. (colloquial) relative pronoun
  5. (colloquial) why

• Prep
• Conj
• Particle