long_since
1. [ adverb ] of the distant or comparatively distant past
Synonyms: long_ago lang_syne
Examples:

"We met once long ago" "they long ago forsook their nomadic life" "left for work long ago" "he has long since given up mountain climbing" "This name has long since been forgotten"

Similar spelling:   Longino
  longing
  long-winded
  lang_syne
  long_hundred
  longingly
  long-windedly
  long-snouted
  long_moss