phenomenalist

Etymology tree
Proto-Indo-European *bʰeh₂-der.
Proto-Hellenic *pʰáňňō
Ancient Greek φαίνω (phaínō)
Ancient Greek φαινόμενον (phainómenon)bor.
Late Latin phaenomenonder.
English phenomenon
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
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Ancient Greek φαινόμενον (phainómenon)bor.
French phénomène
▲
Old French -al
Middle French -al
French -al
French phénoménalbor.
English phenomenal
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 phenomenalist
From phenomenal + -ist.