The state, condition, or position of being an accessary; the role of a secondary participant or accomplice.
From accessary plus -ship (a suffix creating nouns of state or condition, as in friendship, kinship). This formalizes the concept of being an accessary.
The suffix '-ship' creates nouns about relationships and positions—'accessaryship' would be the formal legal status of being an accomplice, though modern courts prefer the simpler term 'accessary'!
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