Lewis Short
praepostĕrĭtas (noun F) : praeposterus
* A reversed order, inversion (post class.): si Juno est aër, Graeei nominis praeposte ritate repetita, i. e. by transposing the letters of the words ἀὴρ and Ἥρα, Arn. 3, 118: PARENS AFFLICTVS PRAEPOSTERITATE NATVRAE HVNC FILIVM VNICVM HIC CONDIDI,Inscr. Orell. 4774.
Charlton T. Lewis, Charles Short, A Latin Dictionary