Hirglyw, a. being long eared
Hirgrwn, n. a cylinder: a cylinderical
Hirgul, a. long and narrow
Hirgwyn, n. a long complaint
Hirgylch, n. an ellipse
Hirhoedl, n. longevity
Hirhoedlog, a. long-lived
Hiriad, n. a lengthening
Hirian, n. a tall lank person
Hiriannu, v. to prolong