the.com/salt mine

Where Rome allegedly paid soldiers in salt, and offices have paid in misery ever since.

means A workplace or situation so grueling and joyless that going there feels like a sentence, not a job.

from Literal salt mines were historically brutal places of forced or convict labor — dark, grinding, and inescapable — which made 'the salt mines' a natural stand-in for any soul-crushing workplace. The phrase 'back to the salt mines' took hold as a wry, resigned way to describe returning to drudgery, likely popularized through casual English idiom rather than any single traceable source. The Roman soldiers-paid-in-salt story (the supposed origin of 'salary') is a separate, much-debated etymology, and its link to 'salt mines' as a phrase for misery is folk association rather than documented fact.

etymology myth
salary word likely not actually from salt
real ones
some double as nuclear waste storage sites
idiom shift
now just means any grim, joyless workplace
durability
salt deposits can preserve tunnels for centuries
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