obelize
verb
obe·lize ˈä-bə-ˌlīz 
also ˈō-
obelized; obelizing
transitive verb
: to designate or annotate with an obelus
Word History
Etymology
borrowed from Greek obelízein, from obelós obelus + -izein -ize
First Known Use
circa 1656, in the meaning defined above