"of the nature of or resembling asphalt," 1610s, from French bitumineux, from Latin bituminosus, from bitumen (see bitumen).
The Plain, wherein a black bituminous gurge Boiles out from under ground, the mouth of Hell. ["Paradise Lost," XII.41]
1590s, Mycenian, "pertaining to Mycenae," the ancient city on the Argive plain, from Latin Mycenaeus, from Greek Mykenaios "of Mycenae," from Mykenai. In reference to the Aegean civilization that flourished 1500-1100 B.C.E. and was centered on Mycenae, it is from 1890s.
former kingdom in the western Pyrenees, now included in Spain and France, a pre-Latin name, probably based on Basque nava "plain," despite the region's mountainous topography. Related: Navarrese.
"vast treeless plains of South America," 1704, from Argentine Spanish pampas, plural of pampa, from Quechua (Inca) pampa "a plain." Related: Pampean. Similar landscapes north of the Amazon are called llanos (see llano).