Llwydedd, n. greyness, mouldiness
Llwydgoch, n. a russet colour
Llwydlas, n. a greyish blue
Llwydlasu, v. to become of a greyish blue
Llwydlys, n. mugwort
Llwydni, n. greyness; mouldiness
Llwydo, v. to turn grey; to turn mouldy
Llwydrew, n. a hoarfrost
Llwydrewi, v. to cast a hoar
Llwydwyn, n. a drab colour