In one sentence explain the rules that governs the pronunciation of the word tea

Approximately all the words for tea worldwide, fall into three general groups: te, cha, and chai

Explanation:

The derivation of tea can be traced back to the different Chinese pronunciations of the word. Almost all the words for tea globally falls into three broad groups: te, cha, and chai, which revealed the history of the transmission of tea drinking customs and business from China to countries around the world. The few exceptions of words for tea that do not come into these three extended groups are often from the trivial languages from the agricultural homeland of the tea plant, and likely to be the ultimate source of the Chinese words for tea