Archaic noun meaning a hundred times or, by extension, a great many times. In modern Japanese, 百度 is usually read ひゃくど for the literal 'hundred times' meaning.
See also: 百度 (ひゃくど)
百度参り is an old expression read as ももたびもうで.
古典では「ももたび」が「百度」と書かれることがある。
In classical texts, 百度 is sometimes read as ももたび.
The modern standard reading for 百度, meaning 'hundred times' or '100 degrees'. ももたび is an archaic reading of the same kanji.
The reading ももたび is the native Japanese reading (kun'yomi) of 百度, where 百 is read as もも (an old word for 'hundred') and 度 as たび ('time, occasion'). This reading is now archaic.