_pə(r)+ adverb
Etymology: Middle English perchaunce, parchaunce, from Middle French per chance, par chance, from per, par by (from Latin per by, through) + chance — more at for , chance
: perhaps , possibly
perchance he is not drowned — Shakespeare
if perchance what they know of you is not to their liking — H.J.Johnson
come to obtain vacation travel data or perchance to brush up on their geography — H.H.Baetjer