He admitted, however, although with hesitation
(он признал, впрочем, хотя и с колебанием), that much of the peculiar gloom which thus afflicted him could be traced to a more natural and far more palpable origin (что многое из =While he spoke, the lady Madeline (for so was she called)
(пока он говорил, леди Маделин, ибо так ее звали;