From Old Spanish huesso, from Latin ossum, popular variant of os, ossis, ultimately from Proto-Indo-European *h₃ésth₁ (“bone”), *h₂óst. Compare Catalan os, French os, Interlingua osso, Italian osso, Portuguese osso, Romanian os, Sardinian ossu.
Political sense comes from comparing a dog looking for and defending a bone and a politician searching a position.
hueso m (plural huesos)
- (anatomy) bone
- (botany) stone, pit (the central part of some fruits, consisting of the seed and a hard endocarp layer (like those of peach, olive, avocado or mango))
- (politics, Mexico, slang) political position (appointed or elected)
- (Spain, informal) strict person