Composing or interpreting as an allegory; the present participle of allegorise (British spelling).
From 'allegorise' plus the present participle suffix '-ing,' which creates both verbs and gerunds in English. British spelling.
The process of 'allegorising' texts was so popular in medieval times that sometimes scholars found meanings that probably weren't intended—it was like the original 'reading between the lines' gone to extremes!
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