per·ad·ven·ture 
(pûr′əd-vĕnchər, pĕr′-)
(pûr′əd-vĕnchər, pĕr′-)adv.
Archaic
Archaic
Perhaps; perchance.
n.
Chance or uncertainty; doubt.
[Middle English per aventure, from Old French, by chance : per, through (from Latin; see PER) + aventure, chance; see ADVENTURE.]