il

1. he (third-person singular masculine subject pronoun for human subject)
2. it (third-person singular subject pronoun for grammatically masculine objects)
3. Impersonal subject; it

vivait

third-person singular imperfect indicative of vivre

dans

• Prep

  1. in, inside (enclosed in a physical space, a group, a state)
  2. to (indicates direction towards certain large subdivisions, see usage notes)
  3. in, within (a longer period of time)
  4. during
  5. out of, from
  6. in; in the works of
  7. (colloquial) Used in dans les (“about, around”)

• Noun

la

• Article

  the (definite article)

• Pron
• Noun

vallée

valley

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

san

• Noun

  san (Greek letter)

• Det