Where does “annotational” come from?

annotational (English) comes from English annotation, from Latin annotātiōnem, from Latin annotātus, from Latin annotare, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

Ancestry of “annotational”, step by step

annotational traces back through two separate lines of ancestry.

via English annotation

StepLanguageWordMeaning
1Englishannotationa critical or explanatory commentary or analysis;...
2Latinannotātiōnem
3Latinannotātus
4Latinannotarepresent active infinitive of annotō;...
5Latinad-to; usually prefixed to verbs, in which cases it...
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin

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 h₁én
annotational — Etymology, Origin & Word History | Etymology Explorer