Early 18th century; earliest use found in Richard Bradley (?1688–1732), botanist and writer. From refall, after fall late 16th century (in an earlier sense). From re- + fall.
Definition of refall in US English:
refall
nounˈriːfɔːl
rare
A second or repeated fall.
verbˈriːfɔːl
no objectTo fall again, to fall a second time.
Origin
Early 18th century; earliest use found in Richard Bradley (?1688–1732), botanist and writer. From refall, after fall<br>late 16th century (in an earlier sense). From re- + fall.