conserve
verb
[ kənˈsəːv ]
• protect (something, especially something of environmental or cultural importance) from harm or destruction.
• "the funds raised will help conserve endangered meadowlands"
conserve
noun
• a preparation made by preserving fruit with sugar; jam or marmalade.
• "pork tenderloin with onion and raisin conserve"
Origin:
late Middle English: from Old French conserver (verb), conserve (noun), from Latin conservare ‘to preserve’, from con- ‘together’ + servare ‘to keep’.