Er

• Noun

  a person or animal of male gender, a male

• Pron

hat

third-person singular present of haben

sich

1. Reflexive pronoun of the third person singular: herself, himself, itself, oneself (direct or indirect object).
2. Reflexive pronoun of the third person plural: themselves (direct or indirect object).

sein

• Verb

  1. to be
  2. to feel, (to experience a condition)
  3. to feel like, to be in the mood for
  4. forms the present perfect and past perfect tenses of certain intransitive verbs
  5. to exist; there to be; to be alive
  6. (colloquial) to have the next turn (in a game, in a queue, etc.)
  7. to be "it"; to be the tagger in a game of tag

• Det
• Pron

Wissen

knowledge

im

Contraction of in dem; in the

Selbststudium

self-study

erworben

past participle of erwerben