Where does “ezzih” come from?

ezzih (Old High German) comes from Proto-Germanic *atek, from Latin acētum, from French -ate, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos.

Ancestry of “ezzih”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	*atek	—
2	Latin	acētum	—
3	French	-ate	-ate
4	Latin	-ātus	—
5	Proto-Italic	-ātos	—
6	Proto-Indo-European	-éh₂tos	—

Every word from Proto-Indo-European -éh₂tos →