hydromechanical

Etymology tree
Proto-Indo-European *wed-
Proto-Indo-European *-r̥
Proto-Indo-European *wódr̥
Proto-Hellenic *údōr
Ancient Greek ῡ̆̔́δωρ (hū̆́dōr)
Ancient Greek ῠ̔δρο- (hŭdro-)der.
English hydro-
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 mēchanicusder.
Old French mecaniquebor.
Middle English mechanic
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
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Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
Middle English mechanical
English mechanical
English hydromechanical
From hydro- + mechanical.