Where does “pigpen” come from?

pigpen (English) comes from English pen, from English penetration, from Middle English penetracioun, from Old French penetracïon, from Latin penetrātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

pigpen (English): A pigsty; an enclosure where pigs are kept;...

Definitions

  1. A pigsty; an enclosure where pigs are kept;...

Ancestry of “pigpen”, step by step

pigpen traces back through two separate lines of ancestry.

via English pen

StepLanguageWordMeaning
1EnglishpenAn enclosure used to contain domesticated...
2EnglishpenetrationThe act of penetrating something; Specifically,...
3Middle Englishpenetracioun
4Old Frenchpenetracïonpenetration (act, instance of penetrating)
5Latinpenetrātiōpiercing, penetration
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English pig

StepLanguageWordMeaning
1EnglishpigAny of several intelligent mammalian species of...
2Middle EnglishpiggeA piglet or young pig; A pig irrespective of age;...
3Old Englishpicgaa young pig; piglet
4Proto-West Germanicpiggōpig
Every word from Ancient Greek χάλιξ