Where does “pent-up” come from?

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

pent-up (English): not expressed; repressed or suppressed,...

Definitions

  1. not expressed; repressed or suppressed,...

Ancestry of “pent-up”, step by step

pent-up traces back through two separate lines of ancestry.

via English pent

StepLanguageWordMeaning
1EnglishpentConfinement; concealment; Confined in a pen,...
2EnglishpenAn enclosure used to contain domesticated...
3EnglishpenetrationThe act of penetrating something; Specifically,...
4Middle Englishpenetracioun
5Old Frenchpenetracïonpenetration (act, instance of penetrating)
6Latinpenetrātiōpiercing, penetration
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-