The spelling of the word "madidans" can be explained through IPA phonetics as /mædɪdæn/. The first syllable "mad" is pronounced as /mæd/ and the second syllable "i" is pronounced as /ɪ/. The next syllable "dan" has a short "a" and is pronounced as /dæn/. "Madida" refers to excessively wet or moist conditions, and the suffix "-ans" is used to describe a group of people with a common characteristic or origin. Therefore, "madidans" could refer to a group of people who live in a very damp or humid environment.
Moist, noting certain skin lesions.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.