This is the 1685th most frequent German word.
bären
"Bären" means "bears" in English.
Here, 'Bären' is the plural form of the noun 'Bär' (bear), referring to the animal.
Die Bären im Zoo sind sehr friedlich.
The bears in the zoo are very peaceful.
In this case, 'bären' resembles a hypothetical verb form of 'bear', but this sentence illustrates a playful linguistic analogy, as in German the correct verb would be 'tragen' (to carry).
Er kann die Last selbst bären.
He can bear the burden himself.
'bärenstark' is a compound word where 'Bären' indicates something very strong or powerful, metaphorically borrowing the strength associated with a bear.