"Igham" is a word in HILIGAYNON, CEBUANO

ígham - To hem, cough slightly (in order to
attract attention, express doubt, etc.).
Ighamí siá. Draw his attention by coughing
slightly. Ginighamán akó níya kag sang
pagbalikíd ko nagkádlaw siá. He coughed
and when I looked back he smiled. Walâ ka
magígham, haw! Yes, but you might have
given a cough to let me know you were
there! (cf. igáigá).

igham v [AN; b6] clear the throat.
Miigham (nangigham) siya arun pagdápit sa ákung pagtagad, He cleared his throat in order to attract my attention.
n sound or action of clearing the throat.