primeramente.

(a loanword from Spanish)

Headword: 
primeramente.
Principal English Translation: 

first

Attestations from sources in English: 

Primete yni Semtlamȃtli = First, first (Calimaya, Toluca Valley, 1712)Caterina Pizzigoni, ed., Testaments of Toluca (Stanford: Stanford University Press and UCLA Latin American Center Publications, 2007), 208.

themes: 
Numbers, Math