While we have been waiting for COVID-19 vaccine, have you ever wondered why vaccine is called vaccine? The word, vaccine, is from the Latin word, vacca, which means cow. Please watch the video below to find out the relation between vaccine and cow.
Tag: etymology
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Why is Bluetooth called Bluetooth?

The Man Behind the Tooth
Surprisingly, the name dates back more than a millennia to King Harald “Bluetooth” Gormsson who was well known for two things:
1. Uniting Denmark and Norway in 958.
2. His dead tooth, which was a dark blue/grey color, and earned him the nickname Bluetooth.
from Bluetooth