Origin of noumenal

First recorded in 1795–1805; noumen(on) + -al1
Related formsnou·me·nal·ism, nounnou·me·nal·ist, nounnou·me·nal·i·ty, nounnou·me·nal·ly, adverbnon·nou·me·nal, adjectivenon·nou·me·nal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for noumenal

Historical Examples of noumenal

Word Origin and History for noumenal

1803, from noumenon + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper