leverage (sth) up
phrasal verbwithleverageverb[T]uk/ˈliːvərɪdʒ/us/ˈlevərɪdʒ/
toincreasetheamountofmoneyborrowed:
Hewantedthem toleverageup thecompanyandbuyback somestock.
leverage yourself upHedgefundsroutinelyleveragethemselves up tosurprisinglyhighlevels.