MOTHBALL
mothball, camphor ball
(noun) a small sphere of camphor or naphthalene used to keep moths away from stored clothing
mothball
(verb) put into long-term storage
Source: WordNet® 3.1
Etymology
Noun
mothball (plural mothballs)
(usually, in plural) A small ball of chemical pesticide (typically naphthalene) and deodorant placed in or around clothing and other articles susceptible to damage from mold or moth larvae in order to protect them from this damage.
Verb
mothball (third-person singular simple present mothballs, present participle mothballing, simple past and past participle mothballed)
(transitive) To store or shelve something no longer used.
Synonyms: store, shelve, set aside, defer
(transitive, figuratively) To stop using (something), but keep it in good condition.
Antonyms
• demothball
• unmothball
Source: Wiktionary