hydroarchaeology

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-
Ancient Greek ἄρχω (árkhō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek ἀρχή (arkhḗ)
Proto-Indo-European *-yósder.
Ancient Greek -ιος (-ios)
Ancient Greek ἀρχαῖος (arkhaîos)
Proto-Indo-European *leǵ-
Ancient Greek λόγος (lógos)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek -λογία (-logía)
Ancient Greek ἀρχαιολογίᾱ (arkhaiologíā)
English archaeology
English hydroarchaeology
From hydro- + archaeology.