Expatiate: (1) to write or talk too much; enlarge (on). (2) to roam without restraint; wander at will. (The World Book Dictionary) Exspatiari means "to wander from a course" and, in the figurative sense, "to digress." But when English speakers began using "expatiate" in 1538, we took "wander" as simply "to move about freely." In …
