I. ˈfīv|fōld adjective
Etymology: Middle English fiffold, from Old English fīffeald, from fīf five + -feald -fold
1. : having five parts or aspects
2. : being five times as large, as great, or as many as some understood size, degree, or amount
a fivefold increase
II. adverb
: to five times as much or as many : by five times
increased fivefold