Word history 1

Armadillo

Armadillo is a Spanish word meaning a small armoured man.

Daisies and dandelions

Flower names often have an interesting history. Daisy comes from Old English day's eye because it opens in the morning.
Dandelion comes from the French dent de lion meaning lion's tooth, from the shape of its leaves.

Mosquito

Mosquito comes from a Portuguese word that means little fly, originally from the Latin musca - fly.

Scuba-diving

Scuba comes from the first letters of the words self-contained underwater breathing apparatus.

Telling a secret

The word secret comes from the Latin secretus, meaning sepparate or hidden.
Secretary comes from the same source, because it originally referred to a person who was entrusted with a secret.