Principal English Translation:
although, however (see Karttunen); and even if, or given that (see Molina)
Attestations from sources in English:
ca intlanel ce Angel. ahnoço aca huei sancto, ahnoço aca huei propheta xiqualmihualiani ynic techmaquixtiz. in tlalticpac titlaca = Supposing that You had sent an angel or some great saint or some great prophet here to save us people of the world (central Mexico, early seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 134–135.