Where does “adminese” come from?

adminese (English) comes from English admin, from English administrator, from Latin administrātor, from Latin administrō, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

Ancestry of “adminese”, step by step

adminese traces back through two separate lines of ancestry.

via English admin

StepLanguageWordMeaning
1EnglishadminAdministration, or administrative work; A systems...
2EnglishadministratorOne who administers affairs; one who directs,...
3Latinadministrātormanager, conductor, administrator
4Latinadministrōto attend upon, assist, serve
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 ese

StepLanguageWordMeaning
1Englishesedude, man
2Mexican SpanisheseThe name of the Latin-script letter S; that;...
3Latinipsehimself, herself, itself, the very, the actual;...
4Proto-Italic*e(s)pesohimself, herself, itself
Every word from Proto-Indo-European h₁én
adminese — Etymology, Origin & Word History | Etymology Explorer