I needed the afternoon to find it, but here You go:
TZICATLAN could have the meaning of ANTCITY or better PLACE of the ANTS / PLACE where ANTS are.
TZICA means ANT / Hormiga in spanisch and is from the lenguage MEXICANO, spoken by the MEXICAS (not todays mexican)
For any further investigations You may visit this excellent source.
http://cdigital.dgb.uanl.mx/la/1080043545/1080043545_092.pdf
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