Where does “usencia” come from?

usencia (Spanish) comes from Spanish excelencia, from Latin excellentia, from Latin excellēns, from Latin excello, from Latin ex-, from Latin e, from Latin ex, from Latin commūnicō — whale, sea monster; abyss.

usencia (Spanish): second person; your Excellency; you; second...

Definitions

second person; your Excellency; you; second...

Ancestry of “usencia”, step by step

usencia traces back through two separate lines of ancestry.

via Spanish excelencia

Step	Language	Word	Meaning
1	Spanish	excelencia	excellency, brilliance; Excellency
2	Latin	excellentia	excellence, superiority; merit
3	Latin	excellēns	elevating, rising
4	Latin	excello	I elevate, raise up; I rise, elevate myself; I...
5	Latin	ex-	out, away; throughout; thoroughly
6	Latin	e	The name of the letter "E"; out of, from
7	Latin	ex	A name of the letter "X"; out of, from
8	Latin	commūnicō	to impart, share
9	Latin	commūnis	common, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
10	Old Latin	com(m)oinis	—
11	Proto-Italic	kommoinis	common
12	Proto-Indo-European	ḱom-moy-ni-	held in common
13	Proto-Indo-European	ḱóm	beside, near, by, with
14	Proto-Indo-European	ḱe	Deictic particle, here; Post-positional...
15	Middle English	kyt	—
16	Russian	кит	whale; genitive plural of ки́та
17	Old Church Slavonic	китъ	whale
18	Ancient Greek	κῆτος	whale, sea monster; abyss

via Spanish vuestra

Step	Language	Word	Meaning
1	Spanish	vuestra	feminine singular of vuestro; your
2	Spanish	vuestro	Yours; Yours, your, to you
3	Latin	vostrum	Alternative spelling of vestrum; nominative...
4	Latin	vester	your, yours, of you
5	Proto-Italic	westeros	your
6	Proto-Indo-European	-teros	Contrastive or oppositional adjectival suffix

Every word from Ancient Greek κῆτος →Every word from Old Church Slavonic китъ →Every word from Russian кит →