mellisonant

This word consists of two Latin elements.

An adjective.

Pleasing to the ear.

Tonia’s mellisonant voice never fails to put her little sister to sleep.

machismo

This word is from Spanish.

A noun.

A strong sense of masculine pride:  an exaggerated masculinity.

The Olympic boxer raised his fist to the crowd in a display of machismo.

satori

This word is from Japanese.

A noun.

Sudden enlightenment and a state of consciousness attained by intuitive illumination representing the spritual goal of Zen Buddhism.

The primary method of achieving satori is through the use of riddles that provide material for meditation.

kovsh

This word is from a word that went from Lithuanian to Russian.

A noun.

A ladle or drinking vessel with a boat-shaped bowl and a handle at one end.

The silver kovsh made by Faberge sold for $20,000 at the auction.

efficacy

This word is from Latin.

A noun.

The power to produce results.

There has historically been much dispute among doctors regarding the efficacy of homeopathic remedies.