terrigenous

adjective

ter·​rig·​e·​nous te-ˈri-jə-nəs 

tə-

: being or relating to oceanic sediment derived directly from the destruction of rocks on the earth's surface

Word History

Etymology

Latin terrigena earthborn, from terra earth + gignere to beget — more at kin

First Known Use

1882, in the meaning defined above