recension

1. A critical revision of a text incorporating the most plausible elements found in varying sources.
2. A text so revised.

[Latin recēnsiō, recēnsiōn-, a reviewing, from recēnsēre, to review : re-, re- + cēnsēre, to estimate.]

recension, a version of a literary work arrived at by a process of revision or textual criticism; or the process of reconstructing the most reliable readings from variant versions of a text. See also edition.