rhynch-
combining form 
or rhyncho-
Etymology: New Latin, from Greek, from rhynchos snout, bill, beak; probably akin to Greek rhonchos, rhonkos snoring, wheezing, rhenchein, rhenkein to snore, snort, Old Irish srennim I snore 
 : snout  — chiefly in taxonomic names in zoology
or rhyncho-