Where does “aristocracia obrera” come from?

aristocracia obrera (Spanish) comes from Spanish aristocracia, from Medieval Latin aristocratia, from Ancient Greek ἀριστοκρατίᾱ, from Ancient Greek ἄριστος, from Proto-Indo-European h₂éristos, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

aristocracia obrera (Spanish): labour aristocracy

Definitions

labour aristocracy

Ancestry of “aristocracia obrera”, step by step

aristocracia obrera traces back through two separate lines of ancestry.

via Spanish aristocracia

Step	Language	Word	Meaning
1	Spanish	aristocracia	aristocracy
2	Medieval Latin	aristocratia	—
3	Ancient Greek	ἀριστοκρατίᾱ	aristocracy; the rule of the best; the rule of...
4	Ancient Greek	ἄριστος	best (in multivarious contexts)
5	Proto-Indo-European	h₂éristos	fittest, most fitting, most suitable
6	Proto-Indo-European	h₂er-	to fit, to fix, to put together

via Spanish obrera

Step	Language	Word	Meaning
1	Spanish	obrera	—

Every word from Proto-Indo-European h₂er- →Every word from Proto-Indo-European h₂éristos →Every word from Ancient Greek ἄριστος →