adept - Dictionary definition and meaning for word adept
a+depth, a person who has deep knowledge
adept is close to adapt so an adept batsman like sachin adapt himself quickly on any kind of pitch.
inept means unskillful, ADEPT means SKILLFUL
a dept(depth)so it can be as-person depth in a subject ia an expert.
A department of Experts.
Adding to above mnemonic, DOD- that is Department of Defense in USA has group of experts working for it..
ept sounds like apt means aptitude so if a person has aptitude he would be very skillful
A-dept.... deptartment given A grade for its knowledge and skill