Undercurrent Meaning in Bengali

What is the meaning of word Undercurrent in Bengali/Bangla ?

Meaning of Undercurrent in Bangla is : অন্তর্নিহিত (O n . t o r . n i . h i . t o)

Defenition of word Undercurrent

Example

an undercurrent of anger and discontent

Other Meaning of Undercurrent