unclog
verb
- remove an obstruction to a passage
Wiktionary
verb
Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English clog English unclog From un- + clog.
- To remove a blockage from.
“The arteries become clogged with substances that still baffle medical experts. They still do not know how to unclog these arteries so that the blood can have free flow.”
- To have a blockage removed.