The story
Abbreviated form of gigayear (giga- + year). Derived from Gir, which in turn is from Gir National Park.
Etymology from Wiktionary, CC BY-SA 4.0.
gyr
Today it means: A well-known Indian breed of zebuine cattle with a prominent hump on the withers, fatty A2 milk, and a medium-sized dewlap hanging from their throat. Full definition →