- welkin
- "sky" (poetic), O.E. wolcen "cloud," from P.Gmc. *welk- (cf. O.S. wolkan, O.Fris. wolken, M.Du. wolke, Du. wolk, O.H.G. wolka, Ger. Wolke "cloud," from PIE *welgh- "wet" (cf. Lith. vilgyti "to moisten," O.C.S. viaga "moisture," Czech vlhky "damp").