Where does “Ecuadoran” come from?

Ecuadoran (English) comes from English Ecuador, from Spanish ecuador, from Medieval Latin aequator, from Latin aequō, from Latin æquus, from Latin vocāre, from Proto-Indo-European wekʷ- — to speak, to sound out.

Ancestry of “Ecuadoran”, step by step

Ecuadoran traces back through two separate lines of ancestry.

via English Ecuador

Step	Language	Word	Meaning
1	English	Ecuador	—
2	Spanish	ecuador	equator
3	Medieval Latin	aequator	equalizer; equator; second-person singular future...
4	Latin	aequō	to equalize, make equal to something else, equate
5	Latin	æquus	equal
6	Latin	vocāre	—
7	Proto-Indo-European	wekʷ-	to speak, to sound out

via English ān

Step	Language	Word	Meaning
1	English	ān	—
2	Middle English	ān	a, an indefinite article
3	Old English	ān	lonely; entirely alone, solitary, single; one
4	Proto-West Germanic	ain	one
5	Proto-Germanic	ainaz	one; some
6	Proto-Indo-European	óynos	one; single

Every word from Proto-Indo-European wekʷ- →Every word from Latin vocāre →Every word from Latin æquus →