Etymograph

English

hog train

From hog + train.

A compound of hog + train

Middle English hog ‘a pig or swine, especially one that is…’

English hog

Latin trahō ‘to pull, to draw’

…

Vulgar Latin *traginō

Old French trainer ‘to pull out, to draw’

Old French train ‘a delay, a drawing out’

Middle English trayne ‘train’

English train

The story

First use appears c. 1850 in the New-York Daily Tribune.

Today it means

noun A train for transporting pigs.

Language periods are conventional ranges, not dates for this word.

Etymograph / hog train