"Nova Derivativa Verba Latina, Pars Tricentesima Octogesima Tertia"
"New Latin Derivatives, Part Three Hundred Eighty-Three"
Yeah:
prurimen -minis n. "something that causes an itch"
[prurire "to itch" + -men abstract noun suffix]
[pruri- + -min-] stems
[prurimin-] new stem
[prurimen] nominative singular