The story
From Latin ablatives of trīgēsimus (“thirtieth”) and secundus (“second”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A paper size, (3.75"–5" × 2.5"–3.125"), one thirty-second of a standard uncut flat sheet. Full definition →
From Latin ablatives of trīgēsimus (“thirtieth”) and secundus (“second”).
Etymology from Wiktionary, CC BY-SA 4.0.