Meaning

noun Irish prelate who deduced from the Bible that Creation occurred in the year 4004 BC (1581-1656)

noun an official stationed at the entrance of a courtroom or legislative chamber

noun someone employed to conduct others

originFrom Middle English ussher, uscher, usscher, from Anglo-Norman usser and Old French ussier, uissier (“porter, doorman”) (compare French huissier), from Vulgar Latin *ustiārius (“doorkeeper”), from Latin ōstiārius, from ōstium (“door”). Akin to ōs (“mouth”). Probably a doublet of ostiary and huissier.

Etymology from Wiktionary, CC BY-SA 3.0