adjutant

[aj-uh-tuh nt] /ˈædʒ ə tənt/
noun
1.
Military. a staff officer who assists the commanding officer in issuing orders.
2.
British Military. an executive officer.
3.
an assistant.
4.
adjutant stork.
Origin
1590-1600; < Latin adjūtant- (stem of adjūtāns, present participle of adjūtāre to help, assist), equivalent to ad- ad- + jū- (variant stem of juvāre to help) + -t- frequentative suffix + -ant- -ant
British Dictionary definitions for adjutant

adjutant

/ˈædʒətənt/
noun
1.
an officer who acts as administrative assistant to a superior officer Abbreviation adjt, adj
2.
short for adjutant bird
Derived Forms
adjutancy, noun
Word Origin
C17: from Latin adjūtāre to aid
Word Origin and History for adjutant
n.

"military officer who assists superior officers," c.1600, from Latin adiutantem (nominative adiutans), present participle of adiutare "to give help to, help zealously, serve," frequentative of adiuvare (past participle adiutus) "help, assist, aid, support," from ad- "to" (see ad-) + iuvare "to help, give strength, support," perhaps from same root as iuvenis "young person" (see young).