roborant
noun
[ ˈrəʊb(ə)r(ə)nt ]
• a medicine, treatment, etc. that has a strengthening or restorative effect.
• "gentian root is considered to be a roborant and tonic"
roborant
adjective
• having a strengthening or restorative effect.
• "roborant treatment includes hygienic surroundings, fresh air, light, and healthful employment"
Origin:
mid 17th century: from Latin roborant- ‘strengthening’, from the verb roborare, from robur, robor- ‘strength’.