What is the meaning of Dè?

certainly

past participle of dèr

inflection of dèr:

1. second-person singular/plural present indicative
2. second-person plural imperative

second-person singular/plural present indicative

second-person plural imperative

Hanyu Pinyin reading of 嘚

day

obsolete form of deve, third-person singular present indicative of dovere

what

huh? pardon? what?

Used to form tag questions in informal speech.

genitive singular of dia

to stint (on); to economise

to take care over; to spare

to foresee; to foreknow; to expect

Source: wiktionary.org