officious
adjective
[ əˈfɪʃəs ]
• assertive of authority in a domineering way, especially with regard to trivial matters.
• "the security people were very officious"
Origin:
late 15th century: from Latin officiosus ‘obliging’, from officium (see office). The original sense was ‘performing its function, efficacious’, whence ‘ready to help or please’ (mid 16th century), later becoming depreciatory (late 16th century).
