depuis lors

since then, ever since

on

1. one, people, you, someone (an unspecified individual)
2. (informal) we

n'avait

contraction of ne + avait (third-person singular imperfect indicative form of avoir)

plus

• Adv

  1. more, -er (used to form comparatives of adjectives)
  2. more, -er (used to form comparatives of adverbs)
  3. more, -er (indicating a higher degree or quantity)
  4. more (indicating a greater quantity)
  5. more (supplementary, preceded by de)
  6. the most, -est (used to form superlatives of adjectives and adverbs)
  7. no longer, not ... any more
  8. the more ..., the more ...
  9. the more ..., the ...

• Noun
• Verb
• Verb

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

ses

his, her, its, their, one's (when referring to a plural noun)

nouvelles

• Adj

  feminine plural of nouveau

• Noun
• Noun

depuis

• Prep

  1. since
  2. since, ever since
  3. for ~
  4. for the last ~, over the past ~
  5. from

• Adv