Where does “schoolboydom” come from?

schoolboydom (English) comes from English schoolboy, from English school, from Middle English scole, from Old English scōl, from Proto-Germanic *skōlu, from Latin schola, from Ancient Greek σχολή, from Proto-Hellenic skʰolā́ — to hold; to overpower.

Ancestry of “schoolboydom”, step by step

schoolboydom traces back through two separate lines of ancestry.

via English schoolboy

StepLanguageWordMeaning
1EnglishschoolboyA boy attending school; characteristic of a...
2EnglishschoolA group of fish or a group of marine mammals such...
3Middle Englishscoleschool
4Old Englishscōlplace of education
5Proto-Germanic*skōlu
6LatinscholaLeisure time given to learning; schooltime,...
7Ancient Greekσχολήleisure, free time; rest; that in which leisure...
8Proto-Hellenicskʰolā́
9Proto-Indo-Europeansǵʰ-h₃-léh₂
10Proto-Indo-Europeanseǵʰ-to hold; to overpower

via English DOM

StepLanguageWordMeaning
1EnglishDOMInitialism of date of marriage; Initialism of...
2EnglishdominanceThe state of being dominant; of prime importance;...
3English-anceAdded to an adjective or verb to form a noun...
4Middle English-aunceForms nouns indicating states or processes, usually from verbs or other nouns; -ance
5Old French-anceance (suffix used to form nouns)
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European seǵʰ-