Where does “hepar” come from?

hepar (Latin) comes from Ancient Greek ἥπατος, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.

Ancestry of “hepar”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἥπατος	genitive singular of ἧπᾰρ
2	Ancient Greek	σκοπέω	I look, look at, behold; I examine, inspect; 413...
3	Ancient Greek	σκοπός	watcher, lookout; protector, guardian; spy, scout
4	Ancient Greek	σκέπτομαι	I look at, examine; I examine, consider, think
5	Proto-Hellenic	sképťomai	to look at
6	Proto-Indo-European	spéḱyeti	to be looking at, to keep looking at
7	Proto-Indo-European	speḱ-	to see, to look, to observe

Every word from Proto-Indo-European speḱ- →

hepar — Etymology, Origin & Word History | Etymology Explorer