Online source for Bhagavadgita sloka and word meaning

Hari Om,

There are several online available but we cannot vouch for their accuracy.

We suggest you can buy the physical copy of Bhagavad gita chapter wise published by CCMT. Kindle version is also available.
Shrimad Bhagavad Gita by Swami Chinmayananda

Please note the Holy gita does not have word to word meaning, the individual books on each Chapter have both word to word meaning, translation and commentary in English.

Here are some I have collected over the years:

http://gita-grammar.blogspot.com Weekly updates, upto CH12.

Very nice pada vicched & word derivations.

Another one less detailed

https://shlokam.org/bhagavad-gita/

A partial grammar

https://nivedita2015.wordpress.com/category/shlokas/bhagavad-gita/gita-anvaya

Hari Om. I was looking for the same and I found Gita Chanting app by Chinmaya Mission Houston. I find this to be an excellent companion app together with the course. The traditional chanting section contains both the chanting and the word by word meaning.

App Store: https://apps.apple.com/lv/app/gita-chanting/id6443724372
Play Store: https://play.google.com/store/apps/details?id=com.chinmaya.gitachanting