What is the meaning of តា?

grandfather

ancestor (often used in the names of spirits)

you (respectful term for addressing an old man)

I (old man speaking of himself)

, alternative spelling of អ្តា ('tā, “grandfather; ancestor, old man”)

Khmer script form of tā, which is feminine nominative/accusative plural of ត (ta, “those”)

Khmer script form of tā (“she”)

Source: wiktionary.org