After a scream of pain from the victim, they erase his memory and send him back to earth.
British Dictionary definitions for erase
erase
/ɪˈreɪz/
verb
1.
to obliterate or rub out (something written, typed, etc)
2.
(transitive) to destroy all traces of; remove completely: time erases grief
3.
to remove (a recording) from (magnetic tape)
4.
(transitive) (computing) to replace (data) on a storage device with characters representing an absence of data
Derived Forms
erasable, adjective
Word Origin
C17: from Latin ērādere to scrape off, from ex-1 + rādere to scratch, scrape
Word Origin and History for erase
v.
c.1600, from Latin erasus, past participle of eradere "scrape out, scrape off, shave," from ex- "out" (see ex-) + radere "to scrape" (see raze). Of magnetic tape, from 1945. Related: Erased; erasing.