the.com/fish scale

Nature's chainmail, grown in rings so you can read a fish's birthday.

means The small, hard, overlapping plates that cover a fish's skin, protecting it and helping it glide through water.

from 'Scale' traces back through Old French 'escale' to a Germanic root meaning 'shell' or 'husk' — the same ancestor that gave us 'shell' and 'skull,' all sharing the sense of a hard outer covering. 'Fish' is simply Old English 'fisc,' one of the oldest words in the language, steady and unchanged in meaning for over a thousand years. Put together, the compound is plain description rather than poetry — the poetry came later, once people noticed the growth rings.

made of
collagen, not keratin like human nails
growth rings
count them like tree rings for age
inspired
bulletproof vest and armor research
street slang
also means a gram of cocaine
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