Where does “retardational” come from?

retardational (English) comes from English retardation, from French -ation, from Middle French -ation, from Old French -ation, from Latin -ātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

retardational (English): Of or pertaining to retardations

Definitions

  1. Of or pertaining to retardations

Ancestry of “retardational”, step by step

retardational traces back through two separate lines of ancestry.

via English retardation

StepLanguageWordMeaning
1EnglishretardationThe act of retarding or delaying; hindrance; The...
2French-ationUsed to indicate action, condition, result or effect; -ation
3Middle French-ationation
4Old French-ationation
5Latin-ātiō
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

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 Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-