octuply

/ˈɑktəplaɪ/
adverb
  1. In a way that is eight times as much or as many.
    • The noise level rose octuply when the band started playing.
    • The population grew octuply over the century.
    • Her savings increased octuply after the investment.
Synonyms
What does "octuply" mean? | whatsthatwordmean | whatsthatwordmean