Where does “reduplicational” come from?

reduplicational (English) comes from English reduplication, from English re-, from Middle English re-, from Old French re-, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro- — passed , crossed.

Ancestry of “reduplicational”, step by step

reduplicational traces back through two separate lines of ancestry.

via English reduplication

StepLanguageWordMeaning
1EnglishreduplicationThe act of, or an instance of, reduplicating; The...
2Englishre-again, anew; a completive or intensification of...
3Middle Englishre-
4Old Frenchre-re- again; once more
5Latinrĕ-back, backwards
6Latinprōdūcōto lead or bring forth, forward or out
7Latinprō-forward direction, forward movement
8Proto-Italic*pro-pro- see the Latin entry for further meanings
9Proto-Indo-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European pr̥tós
reduplicational — Etymology, Origin & Word History | Etymology Explorer