Where does “illustrational” come from?

illustrational (English) comes from English illustration, from Middle French illustration, from Latin illūstrātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

illustrational (English): Serving to illustrate

Definitions

  1. Serving to illustrate

Ancestry of “illustrational”, step by step

illustrational traces back through two separate lines of ancestry.

via English illustration

StepLanguageWordMeaning
1EnglishillustrationThe act of illustrating; the act of making clear...
2Middle Frenchillustration
3Latinillūstrātiōthe action of lighting up, brightening
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient 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-
illustrational — Etymology, Origin & Word History | Etymology Explorer