the.com/runt

The smallest sibling, built by nature to prove size was never the point.

means The smallest or weakest individual in a litter or group, sometimes stretched to describe a small, undersized person.

from First shows up in the 1500s as a word for an old or decayed tree stump, then drifted toward meaning anything stunted or undersized — eventually settling on the smallest piglet or puppy in a litter. Nobody's fully certain where the stump sense itself came from, so the deeper roots stay genuinely murky.

origin
from old word for stunted livestock
biology
often last to nurse, first to hustle
irony
runts frequently outlive their bigger littermates
usage shift
insult that became oddly affectionate
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