Here's a breakdown:
* "Tōlli" (Nahuatl): meaning "small" or "little"
* "Tlaxcalli" (Nahuatl): meaning "bread" or "cake"
So, "tōlli" + "tlaxcalli" = "tōlli-tlaxcalli" = "tortilla"
The word "tortilla" was adopted into Spanish and eventually into other languages.