scriptwriter

Etymology tree
Proto-Indo-European *(s)ker-?
Proto-Indo-European *(s)kreybʰ-
Proto-Indo-European *(s)kréybʰeti
Proto-Italic *skreiβō
Latin scrībō
Latin scrīptum
Old French escritbor.
Middle English scrit
English script
Proto-Indo-European *wreyd-der.?
Proto-Germanic *wrītaną
Proto-West Germanic *wrītan
Old English wrītan
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Old English wrītere
Middle English writer
English writer
English scriptwriter
From script + writer.