Where does “shockingest” come from?

shockingest (English) comes from English shocking, from English shock, from French choquer, from German schockieren, from Spanish chocar, from Portuguese chocar, from Russian шоки́ровать, from Russian -и́ровать.

Ancestry of “shockingest”, step by step

shockingest traces back through two separate lines of ancestry.

via English shocking

StepLanguageWordMeaning
1EnglishshockingInspiring shock; startling; Unusually obscene or...
2EnglishshockA sudden, heavy impact; A discontinuity arising...
3Frenchchoquerto hit, to collide; to shock
4Germanschockierento shock
5Spanishchocarto crash; to bump into, to collide with; to...
6Portuguesechocarto brood; to hatch; to linger
7Russianшоки́роватьto horrify, to scandalize, to shock
8Russian-и́роватьa productive verbal suffix, also used to create new verbs, especially from loanwords
9German-ierenVerb suffix: it and its inflected forms are found...
10French-erForms infinitives of first-conjugation verbs
11English-erA person or thing that does an action indicated...
12Middle English-eragentive suffix; agent noun suffix
13Old French-erAlternative form of -ier, verbal suffix;...
14Latin-ārefirst conjugation
15Proto-Italic-āōForms primarily denominative verbs
16Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
17Proto-Indo-European-yétiCreates intransitive, often deponent,...
18Proto-Indo-Europeanyé-

via English Est

StepLanguageWordMeaning
1EnglishEstestablished
2Middle Englishestegrace, est, favour; pleasure, enjoyment, fun;...
3Old Englishēstwill, consent, favour, grace, liberality,...
4Proto-West Germanic*anstifavour
5Proto-Germanicanstizfavour, affection
6Proto-Germanicunnanąto grant, bestow
7Proto-Indo-Europeanān-to notice; face, mouth
Every word from Proto-Indo-European yé-
shockingest — Etymology, Origin & Word History | Etymology Explorer