non liquet

noun
non li·​quet | \ (ˈ)nänˈlīkwə̇t, (ˈ)nōn-, -lik-\
plural non liquets

Definition of non liquet

: an expression or condition of doubt or uncertainty as to the facts or where the truth lies questions which can be answered only with a non liquet— Louis Infield used by Roman judges in rendering a decision in a doubtful case or in asking leave to be excused

History and Etymology for non liquet

Latin, it is not clear

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