Jai Sri Hari Baird,
My adoration to the Divine in you!
Thank you so much for such a thoughtful write-up.
The Sanskrit word for Meditation is "Samadhi".
Here is one article that may give you details if you are interested:
https://medium.com/sanatana-dharma/a-glossary-of-terms-samadhi-798889ebc701
It is not written by me but has all the correct information.
Immanence gratitude towards your work on meditation.
Sending all my love and respect. 💓🙏