Gerund; refers to the act of begging or making a humble request.
His constant supplicating eventually persuaded the committee to reconsider.
Sa supplication constante a fini par persuader le comité de reconsidérer sa décision.
supplicatinggerund / present participle Used attributively to describe a pleading or humble tone, look, etc.
The supplicating tone in her voice made it hard to refuse her request.
Le ton suppliant de sa voix rendait difficile de refuser sa demande.