Where does “definiens” come from?

definiens (English) comes from Latin definiens, from Latin definio, from Latin de-, from Latin de, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

definiens (English): The word or phrase that defines the definiendum...

Definitions

The word or phrase that defines the definiendum...

Ancestry of “definiens”, step by step

Step	Language	Word	Meaning
1	Latin	definiens	limiting, terminating
2	Latin	definio	I bound, set bounds to; I limit; I define,...
3	Latin	de-	of; from
4	Latin	de	The name of the letter "D"; of, concerning,...
5	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...

Every word from Proto-Indo-European de →Every word from Latin de- →Every word from Latin de →