The story
Back-formation from Wi-Fi. The term "Wi-Fi" was coined as a pun on "hi-fi" which is an abbreviation for "high fidelity."
Etymology from Wiktionary, CC BY-SA 4.0.
wireless fidelity
Today it means: Wi-Fi. Full definition →
Today it means: Wi-Fi. Full definition →
Back-formation from Wi-Fi. The term "Wi-Fi" was coined as a pun on "hi-fi" which is an abbreviation for "high fidelity."
Etymology from Wiktionary, CC BY-SA 4.0.