A turning or tilting backward of an organ or body part:
— Retroversion of the uterus.

synonyms: retroflection, retroflexion.

Translation back into the original language.

Returning to a former state.

synonyms: regress, regression, retrogression, reversion.

Roget 218: inversion, eversion, subversion, reversion, retroversion, introversion; contraposition etc. 237^†; contrariety etc. 14; reversal; turn of the tide.    overturn; somersault, somerset; summerset^†; culbute^†; revulsion; pirouette.    transposition, transposal^†, anastrophy^†, metastasis, hyperbaton^†, anastrophe^†, hysteron proteron [Gr.], hypallage^†, synchysis^†, tmesis^†, parenthesis; metathesis; palindrome.    pronation and supination [Anat.].    ... show more

Dutch: teruggang, terugkeer
Polish: retrogresja