semifictionally

Etymology tree
Proto-Indo-European *sem-
Proto-Indo-European *sēmi
Latin sēmi-bor.
English semi-
Proto-Indo-European *dʰeyǵʰ-
Proto-Indo-European *dʰi-né-ǵʰ-ti
Proto-Italic *θingō
Proto-Italic *fingōder.
Latin fingō
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin fictiōder.
Old French ficcionbor.
Middle English ficcioun
English fiction
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 fictional
English semifictional
Proto-Indo-European *leyg-der.
Proto-Germanic *līkąder.
Proto-Germanic *-līkaz
Proto-Germanic *-ê
Proto-Germanic *-līkê
Proto-West Germanic *-līkē
Old English -līċe
Middle English -ly
English -ly
English semifictionally
From semifictional + -ly.