Where does “subtotal” come from?

subtotal (Romanian) comes from Romanian total, from French total, from Middle French total, from Old French total, from Medieval Latin totalis, from Latin tōtus, from Latin tot, from Proto-Indo-European toti — this; that.

subtotal (Romanian): subtotal

Definitions

subtotal

Ancestry of “subtotal”, step by step

Step	Language	Word	Meaning
1	Romanian	total	total
2	French	total	total; perfect
3	Middle French	total	—
4	Old French	total	—
5	Medieval Latin	totalis	total
6	Latin	tōtus	whole, all, entire, total, complete, every part
7	Latin	tot	so many
8	Proto-Indo-European	toti	so many
9	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 →