This document provides etymologies and definitions for various words. It traces words like stamina to Latin roots meaning original elements. Taboo originated from Polynesian languages referring to something sacred. Clue originally meant a ball of thread to help with navigation. Engineer comes from Latin for ingenuity. Serendipity was coined based on a Persian story. Disaster combines Greek words for bad and star. Mortgage means death pledge in French. Peninsula refers to land nearly being an island. Muscle was thought to resemble mice. Devil comes from Latin meanings slanderer. Guess has Proto-Germanic roots in getting the right answer. Abandon involves relinquishing rights. Bachelor originally referred to an unmarried knight