Origin of MahdiArabic mahd?y, one guided aright ; from had?, to lead aright
nounpl. Mah·dis Islam
- a. The messiah prophesied to appear at the world's end and establish a reign of peace and righteousness.b. In Twelver Shia belief, the 12th imam, who is expected to emerge from occultation to fulfill this role.
- A person who claims to be or is seen as the messiah.
Origin of MahdiArabic mahd&imacron;, rightly guided one, Mahdi, passive participle of hada, to lead; see hdy in Semitic roots.