conceptionist

Etymology tree
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin con-
Proto-Indo-European *kap-
Proto-Indo-European *-yéti
Proto-Indo-European *kapyéti
Proto-Italic *kapjō
Old Latin kapiō
Latin capiō
▲
Ancient Greek σῠλλᾰμβᾰ́νω (sŭllămbắnō)calq.
Latin concipiō
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin conceptiōlbor.
Old French conceptionbor.
Middle English concepcioun
English conception
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 conceptionist
From conception + -ist.