escollo
obstacle
noun ehs-KOH-lyoh Rare
Origin: From Italian scoglio 'rock, reef', from Latin scopulus.
Also means
reef
Usage Note
Escollo originally meant a submerged rock dangerous to ships, and in figurative use it means a stumbling block or difficulty (el mayor escollo del proyecto). It is a learned or slightly literary word; everyday speech tends to prefer obstáculo or problema. The Italian origin makes its double-l spelling intuitive.
Examples
"La burocracia fue el mayor escollo del proyecto."
Natural Translation
Bureaucracy was the biggest obstacle in the project.

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