HAEMORRHOID

n. (US hemorrhoid) (usu. in pl.) swollen veins at or near the anus; piles.

Derivatives:

haemorrhoidal adj.

Etymology: ME emeroudis (Bibl. emerods) f. OF emeroyde f. L f. Gk haimorrhoides (phlebes) bleeding (veins) f. haima blood, -rhoos -flowing