Where does “विश्वासघात” come from?

विश्वासघात (Sanskrit) comes from Sanskrit विश्वास, from Sanskrit विश्वस्, from Sanskrit वि-, from Proto-Indo-European wi — apart, asunder; away from, against.

Ancestry of “विश्वासघात”, step by step

विश्वासघात traces back through two separate lines of ancestry.

via Sanskrit विश्वास

Step	Language	Word	Meaning
1	Sanskrit	विश्वास	confidence, trust, reliance, faith or belief in;...
2	Sanskrit	विश्वस्	to draw breath freely, be free from fear or...
3	Sanskrit	वि-	Prefix to verbs or nouns and other parts of...
4	Proto-Indo-European	wi	apart, asunder; away from, against

via Sanskrit घात

Step	Language	Word	Meaning
1	Sanskrit	घात	a blow, bruise; slaying, killing; injuring,...
2	Proto-Indo-European	gʷʰen-	to strike, slay, kill
3	Proto-Indo-European	bʰon-	—

Words derived from “विश्वासघात”

Every word from Proto-Indo-European wi →Every word from Sanskrit वि- →Every word from Sanskrit विश्वस् →