> How do you know that Hitt. dai comes from *deh3- in the first
> place? It means 'take', not 'give'.
Three reasons:
1) The semantics are very close.
2) It's what we expect from sound changes laws.
3) Other Anatolian languages indicate a meaning of give (Lycian B,
Lydian, and Hittite itself in some of my sources).