A prefix is placed at the beginning

A prefix is placed at the beginning of a word to modify or change its meaning.
When a group of letters with a special meaning appears in front of the word, it is called a prefix
They alter the meaning of the root to which they are connected.

Hasil (Bahasa Indonesia) 1:

Awalan ditempatkan pada awal kata untuk memodifikasi atau mengubah maknanya.Ketika sekelompok Surat dengan arti khusus muncul di depan kata, itu disebut awalanMereka mengubah arti dari akar yang mereka terhubung.