Where does “tot” come from?

tot (Walloon) comes from Old French tôt, from Vulgar Latin tōttus, from Latin tōtus, from Latin tot, from Proto-Indo-European toti, from Proto-Indo-European só — this; that.

tot (Walloon): all

Definitions

Ancestry of “tot”, step by step

Step	Language	Word	Meaning
1	Old French	tôt	all
2	Vulgar Latin	tōttus	—
3	Latin	tōtus	whole, all, entire, total, complete, every part
4	Latin	tot	so many
5	Proto-Indo-European	toti	so many
6	Proto-Indo-European	só	this; that

Every word from Proto-Indo-European só →Every word from Proto-Indo-European toti →Every word from Latin tot →