Where does “Celmic” come from?

Celmic (Romanian) comes from Romanian cel, from Romanian acel, from Vulgar Latin *eccum ille, from Latin eccum, from Latin ecce, from Latin -ce, from Proto-Italic ke, from Indo-European *ḱe.

Ancestry of “Celmic”, step by step

Celmic traces back through two separate lines of ancestry.

via Romanian cel

Step	Language	Word	Meaning
1	Romanian	cel	that; the; the one
2	Romanian	acel	that
3	Vulgar Latin	*eccum ille	—
4	Latin	eccum	behold him; here!, look!
5	Latin	ecce	see!, look!, behold!, points out something with...
6	Latin	-ce	affixed, usually to demonstratives, forming...
7	Proto-Italic	ke	here
8	Indo-European	*ḱe	—

via Romanian mic

Step	Language	Word	Meaning
1	Romanian	mic	little, small; little boy, child, toddler, tyke,...
2	Vulgar Latin	miccus	—
3	Ancient Greek	μῑκκός	small
4	Ancient Greek	μικρός	little, small
5	Proto-Indo-European	mēy-	soft, tender, dear

Every word from Indo-European *ḱe →Every word from Latin -ce →Every word from Proto-Italic ke →