Mid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. From supra- + classical Latin terra land, earth + -aneous, after subterraneous.
Definition of supraterraneous in US English:
supraterraneous
adjective
= superterraneous.
Origin
Mid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. From supra- + classical Latin terra land, earth + -aneous, after subterraneous.