enésimo

From ene (“en”) +‎ -ésimo, the latter from words like centésimo, milésimo, from Latin -ēsimus (“-th”).

• Hyphenation: e‧né‧si‧mo

enésimo (feminine enésima, masculine plural enésimos, feminine plural enésimas)

1. (ordinal number) nth
2. umpteenth

• IPA^(key): /eˈnesimo/ [eˈne.si.mo]
• Rhymes: -esimo
• Syllabification: e‧né‧si‧mo

enésimo (feminine enésima, masculine plural enésimos, feminine plural enésimas)

1. (informal) zillionth, umpteenth (of an unspecified large number)

• “enésimo”, in Diccionario de la lengua española (in Spanish), 23rd edition, Royal Spanish Academy, 2014 October 16