rhonchus
A dry rattling sound heard during breathing, due to deposits in the bronchial tubes.
“You have poisoned yourself again!” Humfried emitted an alarming rhonchus.
Where it comes from
Borrowed from Latin rhonchus (“snoring”), from Ancient Greek ῥόγχος (rhónkhos) (Caelius Aurelianus), of imitative origin.
Adapted from the Wiktionary entry rhonchus (CC BY-SA 4.0).