Where does “spydom” come from?

spydom (English) comes from English spy, from English -ing, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum — smoke; mist, haze.

spydom (English): A group of spies; The world of spies and...

Definitions

  1. A group of spies; The world of spies and...

Ancestry of “spydom”, step by step

spydom traces back through two separate lines of ancestry.

via English spy

StepLanguageWordMeaning
1EnglishspyA person who secretly watches and examines the...
2English-ingUsed to form gerunds, a type of verbal nouns,...
3Old English-ingForming nouns from verbs, indicating action,...
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

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 dʰewh₂-Every word from Proto-Celtic dūnomEvery word from English -ing