initial

adjective
B2
OPAL
OPAL
1
happening at the beginning; first
اولیه, ابتدایی, نخستین
noun
1
the first letter of a person’s first name
حرف اول اسم
2
the first letters of all the names of a person or thing
حروف اول, سرواژه‌ها
John Fitzgerald Kennedy was often known by his initials JFK.
Just write your initials.
verb
1
to mark or sign something with your initials
نشان گذاری با حرف اول نام, امضا با حروف اول نام