The story
From nerd + -dom; attested in the USA from 1983. Note that -dom is used both in the sense of “domain” (nerds, as a group) and in the sense of “characteristics” (being a nerd, nerdiness).
Etymology from Wiktionary, CC BY-SA 4.0.
nerdom
nerd·domToday it means: The attitudes and behaviours of a nerd; nerdiness. Full definition →