I. ˈ ̷ ̷|fōld adjective
Etymology: twelve (I) + -fold
1. : having 12 parts or aspects
2. : being 12 times as large, as great, or as many as some understood size, degree, or amount
a twelvefold increase
II. adverb
: to 12 times as much or as many : by 12 times
increased twelvefold