Definition of earthfast in English:

earthfast

Pronunciation /ˈəːθfɑːst/ /ˈəːθfast/

adjective

  • Especially of a stone: fixed in the ground.

    From the 16th to the 18th centuries chiefly Scots.

Origin

Old English. Cognate with or formed similarly to Old Frisian erthfest, Middle Low German ērtvast, Middle Dutch ertvast (Dutch aardvast), German erdfest, Old Icelandic jarðfastr, Swedish jordfast, Old Danish, Danish jordfast from the Germanic base of earth + the Germanic base of fast.