Russian pronunciation lookup
предположительно
Said in one Russian podcast line.
Джуанзи, философ даизма, предположительно, жил в Китае свыше 2300 лет назад.
Zhuangzi, a philosopher of Daoism, is believed to have lived in China over 2300 years ago.

"Лингвист" (The Linguist by Steve Kaufmann)Глава 1 Предисловие.
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).