Where does “d” come from?

d (Lower Tanana) comes from Lower Tanana -lo', from Proto-Athabaskan *-laˑ — hand.

Ancestry of “d”, step by step

Step	Language	Word	Meaning
1	Lower Tanana	-lo'	hand
2	Proto-Athabaskan	*-laˑ	hand

Words derived from “d”

ch'edeghon'

Every word from Proto-Athabaskan *-laˑ →Every word from Lower Tanana -lo' →