Scaly means covered in small hard overlapping plates. Scaly skin, a scaly tail, dry and scaly.
It describes fish and reptiles literally and skin conditions medically, where scaly is the word for flaking patches. Bird legs are scaly too, which is one of the visible reminders that they are dinosaurs.
1adjectivescalyCovered in small hard overlapping plates.
“The lizard's scaly skin felt cool and dry in my hand.”
scaly is a quality.
From scale plus -y, from Old French escale, a shell or husk.
Middle English
scali
English, today
scaly
From Middle English scali, skaly. by surface analysis, en + scale + -y.
Etymology from Wiktionary, CC BY-SA