The condition or quality of being dorty; sulkiness or morose behavior, especially in a prolonged or habitual state.
From 'dorty' + '-ship' suffix (Old English suffix forming abstract nouns denoting state, condition, or rank, as in 'friendship'). This is a rare or archaic formation creating a noun of state from an adjective.
The '-ship' suffix usually makes nouns about relationships or ranks (friendship, kingship), so using it for a bad mood is delightfully weird—it treats sulkiness like it's an important social position!
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