Where does “quassù” come from?

quassù (Italian) comes from Italian qua, from Latin eccum hac, from Latin eccum, from Latin ecce, from Latin -ce, from Proto-Italic ke, from Indo-European *ḱe.

quassù (Italian): up here

Definitions

up here

Ancestry of “quassù”, step by step

Step	Language	Word	Meaning
1	Italian	qua	here
2	Latin	eccum hac	here, hither
3	Latin	eccum	behold him; here!, look!
4	Latin	ecce	see!, look!, behold!, points out something with...
5	Latin	-ce	affixed, usually to demonstratives, forming...
6	Proto-Italic	ke	here
7	Indo-European	*ḱe	—

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