A high-schooler in Indianapolis, Indiana, wonders why the word number is abbreviated as no., given that there’s no letter O in the word. The answer lies in the Latin word numero, which is the ablative form of the Latin word for number, numerus. The...
A high-schooler in Indianapolis, Indiana, wonders why the word number is abbreviated as no. when there’s no letter O in the word. The answer lies in the Latin word numero, which is the ablative form of the Latin word for number, numerus. This is...

