lathyrism
noun
lath·y·rism ˈla-thə-ˌri-zəm 
: a neurotoxic disorder chiefly affecting people and domestic animals (such as cows and horses) that is characterized especially by irreversible spastic paralysis of the hind or lower limbs and that results from poisoning by an amino acid found in the seeds of some legumes (genus Lathyrus and especially L. sativus)
lathyritic
ˌla-thə-ˈri-tik
adjective 
Word History
Etymology
New Latin Lathyrus, from Greek lathyros, a type of pea
First Known Use
circa 1888, in the meaning defined above
Medical Definition
lathyrism
noun
lath·y·rism ˈlath-ə-ˌriz-əm
: a neurotoxic disorder chiefly affecting people and domestic animals (such as cows and horses) that is characterized especially by irreversible spastic paralysis of the hind or lower limbs and that results from poisoning by an amino acid found in some legumes of the genus Lathyrus (especially L. sativus)