Llywedyddiaeth, n. directorship; governance; pilotage

Llywel, n. the horizon

Llyweli, n. the limit of vision

Llywelu, v. to form an horizon

Llywenydd, n. western horizon

Llyweth, Llywethan, n. a muscle

Llywethog, a. muscular, brawny

Llywethol, a. musculous

Llywethu, v. to become muscular

Llywiad, n. a directing; a steering