od

1. indicates separation, distance, loss of contact; from, away
2. indicates origin of movement; from, away
3. indicates moment of origin in time; from, since, for
4. indicates source or cause; from, because of
5. indicates intended use or purpose; for
6. indicates specialization
7. used in comparisons; than
8. used to indicate the author of a letter or work; from, by
9. used in passive constructions; by
10. indicates material; from

tego

1. inflection of ten:
2. inflection of ten:
3. inflection of ten:

się

• Pron

  1. reflexive pronoun; oneself, self
  2. each other, one another
  3. one's own home

• Particle

wszystko

everything

zaczęło

third-person singular neuter past of zacząć