reswallow
/rɛsˈwɒloʊ/Definitions
1. verb
to swallow again, especially something that has been previously regurgitated
“After a rough night, she had to reswallow the vomit she had thrown up hours earlier.”
2. noun
the act of swallowing again, especially something that has been previously regurgitated
“The doctor warned about the dangers of reswallowing stomach acid.”