Definition of sustentive in English:

sustentive

adjective

rare
  • Having the quality or property of sustaining something; especially sustaining life or growth.

Origin

Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From post-classical Latin sustentivus giving support or maintenance from classical Latin sustent-, past participial stem of sustinēre + -īvus.

Pronunciation

sustentive

/səˈstɛntɪv/