אִיפַּטְיָא, (ὑπατεία) prop. Roman consulship, consulate, in gen. era, dating from accession to government or an other important event. Lev. R. s. 36 נמנה בא׳ של מלכים (Ahaz) was counted under the era of kings (under whom Isaiah prophesied). Num. R. beg. ואיזה א׳—איזה יום what day, month, year and era (from the exodus from Egypt.). Pesik. Baḥod. p. 104ᵃ היו מונין א׳ וכ׳ count ye a new era from my son’s redemption. Ib. Haḥod. p. 52ᵇ sq. he wrote her marriage contract וכתב לה א׳ in which he stated the era of his government.