Where does “cả gan” come from?

cả gan (Vietnamese) comes from Vietnamese cá, from French quart, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

cả gan (Vietnamese): bold, fearless, audacious

Definitions

bold, fearless, audacious

Ancestry of “cả gan”, step by step

cả gan traces back through two separate lines of ancestry.

via Vietnamese cá

Step	Language	Word	Meaning
1	Vietnamese	cá	fish; to bet
2	French	quart	fourth; quarter; shift
3	Latin	quārtus	fourth
4	Proto-Indo-European	kʷeturtos	—
5	Proto-Indo-European	kʷetwóres	four
6	Proto-Indo-European	kʷe-	and

via Vietnamese gần

Step	Language	Word	Meaning
1	Vietnamese	gần	near; nearby; close; nearly; almost
2	Proto-Vietic	t-kaːn	—
3	Old Chinese	肝	—

Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Indo-European kʷeturtos →