Where does “administrativista” come from?

administrativista (Catalan) comes from Catalan administratiu, from Latin administratīvus, from Latin administrātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

administrativista (Catalan): administrative lawyer specialist in administrative law

Definitions

administrative lawyer specialist in administrative law

Ancestry of “administrativista”, step by step

Step	Language	Word	Meaning
1	Catalan	administratiu	administrative
2	Latin	administratīvus	administrative; relating to administration
3	Latin	administrātiō	administration, management, government (of a city, body)
4	Latin	-tiō	tion, -ation, -ing
5	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
6	Latin	dissertus	arranged, disposed; explained
7	Latin	disserere	second-person singular future passive indicative...
8	Latin	dis-	asunder, apart, in two; reversal, removal;...
9	Latin	calceus	shoe
10	Latin	calx	limestone; chalk; the finish line
11	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →