Where does “администраторски” come from?

администраторски (Bulgarian) comes from Bulgarian администратор, from Russian администратор, from Latin administrātor, from Latin administrō, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

администраторски (Bulgarian): administrator; administrator's relating to or befitting an administrator

Definitions

administrator; administrator's relating to or befitting an administrator

Ancestry of “администраторски”, step by step

Step	Language	Word	Meaning
1	Bulgarian	администратор	a male administrator, a male manager; a male...
2	Russian	администратор	administrator; business manager; receptionist
3	Latin	administrātor	manager, conductor, administrator
4	Latin	administrō	to attend upon, assist, serve
5	Latin	ad-	to; usually prefixed to verbs, in which cases it...
6	Latin	īn-	un-, non-, not
7	Latin	în	in, at, on, upon, from (space)
8	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
9	Proto-Italic	en	in
10	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Latin ad- →