retumescence
/ˌriːtjuːˈmɛsns/ /ˌriːtjʊˈmɛsns/ /ˌriːtʃuːˈmɛsns/noun
The action or fact of swelling again.
Origin
Mid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. From re- + tumescence (although this is apparently first attested later).