Perchance is defined as by chance or perhaps.
When you may run into someone by pure chance, rather than by planning, this is an example of a time when you run into him perchance.
- by chance; accidentally
- perhaps; possibly
Origin of perchanceMiddle English par chance ; from Old French par (L per), by + chance, chance
Origin of perchanceMiddle English, from Anglo-Norman par chance : par, by (from Latin per; see per) + chance, chance (from Old French; see chance).
Calque of Old French par cheance (“by luck, by casualty")