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Stage 1 of 3
delirare
Latin · ancient
"to deviate from a straight furrow, to rave"
to deviate from a straight furrow, to be crazy, from de- (from) and lira (furrow)
2
Stage 2 of 3
delirium
Latin · ancient
"a state of wild, confused excitement"
formed as a noun for a state of wild, confused excitement
3
Stage 3 of 3
delirium
English · 1590s
"a disturbed state of mind involving confusion and restlessness"
adopted directly for a disturbed state of mind involving confusion
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