infumate
Somewhat translucent with a mottled smokey appearance.
The posterior wings are transparent and iridescent, infumate at the extreme base along the dorsal margin, and their nervuration is to a large extent pale, becoming dark towards the apex.
Where it comes from
First attested in 1847; borrowed from Latin infumātus, perfect passive participle of infumō (“to infumate”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from in- (“in”) + fumō (“to smoke”), from fumus (“smoke”).
Adapted from the Wiktionary entry infumate (CC BY-SA 4.0).