periconceptional

Etymology tree
Proto-Indo-European *per-der.
Ancient Greek περῐ́ (perĭ́)der.
English peri-
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
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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 *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English conceptional
English periconceptional
From peri- + conceptional.