documentarist

Etymology tree
Proto-Indo-European *deḱ-der.
Proto-Italic *dokeō
Latin doceō
Proto-Indo-European *-mn̥
Proto-Indo-European *-mn̥tom
Proto-Italic *-mentom
Latin -mentum
Latin documentumbor.
French document
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusder.
French -aire
French documentairebor.
English documentary
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 documentarist
From documentary + -ist.