Where does “sublibrarian” come from?

sublibrarian (English) comes from English librarian, from English library, from Middle English librarie, from Anglo-Norman French librarie, from Old French librairie, from Latin librarium, from Latin librarius, from Latin Līber — asunder, apart, in two; reversal, removal;...

sublibrarian (English): An under or assistant librarian

Definitions

  1. An under or assistant librarian

Ancestry of “sublibrarian”, step by step

sublibrarian traces back through two separate lines of ancestry.

via English librarian

StepLanguageWordMeaning
1EnglishlibrarianThe keeper, manager of a library; One who cares...
2EnglishlibraryAn institution which holds books and/or other...
3Middle Englishlibrarielibrary, reading room; bookshelf, bookcase;...
4Anglo-Norman Frenchlibrarie
5Old Frenchlibrairielibrary
6Latinlibrariuma bookcase; a library
7Latinlibrariusof or pertaining to books; a scribe, copyist,...
8LatinLīber
9Old Latinloeber
10Frenchloberto lob
11Frenchloblob
12EnglishlobTo throw or hit a ball into the air in a high...
13EnglishlongHaving much distance from one terminating point...
14EnglishlongitudeAngular distance measured west or east of the...
15Old Frenchlongitude
16Latinlongitūdōlength, longitude; longness
17Latinlongusfar, long; extended, prolonged; long; tedious,...
18Latinly; used to form adverbs from adjectives
19Latindis-asunder, apart, in two; reversal, removal;...

via English sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-
Every word from Latin dis-