出典:Wiktionary
From Middle English raggy, from 古期英語 raggiġ; equivalent to rag + -y.
raggy (comparative raggier, superlative raggiest)
rag + -y, rag being a dialectal (northern England) word for a fog or mist with drizzling rain, related to dialectal Danish rag (“sea vapour”).[1][2] Compare roke, rawk, from a word for smoke (compare Swedish rök (“smoke”)), which may or may not be related.