enésimo
Meanings
Adjective
1. nth (ordinal number)
2. umpteenth (of an unspecified large number) (informal, ordinal number)
Examples2
Te digo por la enésima vez - ¡No!
I'm telling you for the umpteenth time - No!
Es la enésima vez que te digo que tengas cuidado.
This is the nth time I've told you to be careful.