Kithara

Kithara: A kithara was the professional, concert version of the ancient Greek lyre. It was the Grand piano used by professional musicians as opposed the the upright that might be found in small homes. The word guitar is derived by the kithara.

Bored out of his mind, he cast his gaze around the room until he spied a golden kithara lying on a cushion on the floor in the corner.

She returned to strumming her kithara.