उपग्रह
upagrah
A submarine is a special type of boat that can go underwater. It is used by the navy and can explore the ocean.
You say 'submarine' like this: sub-muh-reen.
The word 'submarine' comes from Latin. 'Sub' means under, and 'marinus' means of the sea, so it means 'under the sea'.
The word 'submarine' in Kannada is 'ಜಲದಂಡ' (Jaladaṇḍa).