geomechanics

Etymology tree
Pre-Greek der.
Proto-Hellenic *gayader.
Ancient Greek γαῖᾰ (gaîă)clip.
Ancient Greek γῆ (gê)
Ancient Greek -ο- (-o-)
Ancient Greek γεω- (geō-)der.
English geo-
Proto-Indo-European *megʰ-der.?
Ancient Greek μηχανή (mēkhanḗ)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek μηχανικός (mēkhanikós)bor.
Latin mēchanicusbor.
English mechanics
English geomechanics
From geo- + mechanics.