Where does “oracally” come from?

oracally (English) comes from English -ally, from English ahistoric, from English historic, from Latin historicus, from Latin historia, from Ancient Greek ἱστορία, from Ancient Greek ἱστορέω, from Ancient Greek ἵστωρ.

Ancestry of “oracally”, step by step

StepLanguageWordMeaning
1English-allyused with adjectives ending in -ic
2EnglishahistoricSynonym of ahistorical
3EnglishhistoricVery important; noteworthy: having importance or...
4Latinhistoricushistorical
5Latinhistoriahistory; account; story
6Ancient Greekἱστορίαinquiry, examination, systematic observation,...
7Ancient Greekἱστορέωto inquire, ask; to examine, observe; to record,...
8Ancient Greekἵστωρone who knows law and right, judge; witness; a...
9Proto-Hellenicwístōr
10Proto-Indo-Europeanwéydtōrone who has seen, one who knows
11Indo-European*weyd-
Every word from Indo-European *weyd-