Where does “ពាក្យទាក់ទងគ្នា” come from?

ពាក្យទាក់ទងគ្នា (Khmer) comes from Khmer ពាក្យ, from Sanskrit वाक्य, from Sanskrit वच्, from Proto-Indo-European wekʷ- — to speak, to sound out.

ពាក្យទាក់ទងគ្នា (Khmer): password

Definitions

ពាក្យទាក់ទងគ្នា traces back through 3 separate lines of ancestry.

Step	Language	Word	Meaning
1	Khmer	ពាក្យ	word, term; utterance, expression, phrase; speech
2	Sanskrit	वाक्य	speech, saying, assertion, statement, command,...
3	Sanskrit	वच्	to speak, utter, say
4	Proto-Indo-European	wekʷ-	to speak, to sound out

Step	Language	Word	Meaning
1	Khmer	ទាក់ទង	to be related (to), connected (with), concerned (with)
2	Khmer	ទាក់	to snare, capture (in a trap), trap, catch (with a trap)
3	Proto-Mon-Khmer	ɗak	trap; to trap

Step	Language	Word	Meaning
1	Khmer	គ្នា	together; reciprocally, mutually; friend,...