The story
- Late Latin · borrowed frombitūminātus
- English todaybituminate
First attested in 1628; borrowed from Late Latin bitūminātus, perfect passive participle of bitūminō (“to bituminate”) (see -ate (verb-forming suffix) and -ate (noun-forming suffix)), from bitūmen + verb-forming suffix.
Etymology from Wiktionary, CC BY-SA 4.0.