The meaning of "lo" was changed from the original existential meaning to its current grammatical meaning under the recent "xorlo" change, I believe. https://mw

The meaning of "lo" was changed from the original existential meaning to its current grammatical meaning under the recent "xorlo" change, I believe. https://mw.lojban.org/papri/How_to_use_xorlo https://mw.lojban.org/papri/How_to_use_xorlo