upheaval

Meaning

1. The process of being heaved upward, especially the raising of part of the earth's crust.
2. A disruptive change, from one state to another.
3. A sudden violent upset, disruption or convulsion.

Etymology / origin

Etymology tree English upheave Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English upheaval From upheave + -al.

Sources

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