Where does “adminspeak” come from?

adminspeak (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 “adminspeak”, step by step

adminspeak 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 speak

StepLanguageWordMeaning
1EnglishspeakTo communicate with one's voice, to say words out...
2Middle Englishspeke
3Old EnglishspecanAlternative form of sprecan; to speak
4Old Englishsprecanto speak, talk
5Proto-West Germanic*sprekanto speak
6Proto-Germanicsprekanąto speak, to make a noise
7Proto-Indo-Europeanspreg-to make a sound, speak; to make a sound, utter,...
Every word from Proto-Indo-European h₁én