ecotourist

Etymology tree
Ancient Greek οἶκος (oîkos)
Latin oeco-
French éco-
English eco-
Proto-Indo-European *terh₁-
Proto-Indo-European *-nos
Proto-Indo-European *tórh₁nos
Proto-Hellenic *tórnos
Ancient Greek τόρνος (tórnos)bor.
Latin tornus
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Proto-Italic *-āō
Latin -ō
Latin tornō
Old French torner
Old French tourder.
English tour
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istader.
Old French -istebor.
Middle English -ist
English -ist
English tourist
English ecotourist
From eco- + tourist.