Etymology Map
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Fusion

2 stages from Latin to English.

Today it means the joining of two or more things

Where does the word "fusion" come from? It comes from Latin fusio, adopted directly into English (1550s).

1
Stage 1 of 2
fusio
Latin · ancient
"a pouring out"
from 'fundere', to melt, pour
2
Stage 2 of 2
fusion
English · 1550s
"melting"
nuclear 'fusion' dates from the 1940s; fusion cuisine from the 1980s
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Read the full story

Fusion’s story begins in Latin: fusio meant “a pouring out.” From 'fundere', to melt, pour. It reached English by 1550s as fusion. Nuclear 'fusion' dates from the 1940s; fusion cuisine from the 1980s. Today, fusion means the joining of two or more things.