霆

verb: to ring, to make a sound
霆

1 candidate reading from Wiktionary — genuine Chaozhou colloquial form not yet confirmed by a speaker. Split from the têng5 reading: the dossier ties dang5 to a distinct Southern-Min 'to make a sound; to ring' sense while têng5 belongs to the separate 'thunder/thunderclap' sense, so two sense-specific entries were drafted.