diepe
Diepe is the attributive form of the Dutch adjective diep, meaning deep. It is used before a noun to express substantial depth, as in de diepe zee (the deep sea) or een diepe put (a deep well). In predicative position, the corresponding form is diep, as in Het water is diep.
In terms of grammar, diepe appears after determiners that require an -e ending in Dutch, such as
Semantics and usage extend beyond literal depth. Diepe is commonly used metaphorically to describe abstract depth,
Etymology traces diepe back to the Dutch word diep, which in turn comes from Old Dutch diep