Where does “D−” come from?

D− (Translingual) comes from Latin decās, from Ancient Greek δεκάς, from Ancient Greek -ᾰ́ς, from Proto-Indo-European -ónts, from Hungarian önt, from Hungarian ön, from Hungarian ön-, from Turkish ön — sound, voice.

Ancestry of “D−”, step by step

Step	Language	Word	Meaning
1	Latin	decās	a decade (period of ten years)
2	Ancient Greek	δεκάς	the number ten; a group of ten, decade
3	Ancient Greek	-ᾰ́ς	group of
4	Proto-Indo-European	-ónts	Derives nouns denoting body parts
5	Hungarian	önt	to pour; to cast; accusative singular of ön
6	Hungarian	ön	you
7	Hungarian	ön-	self-
8	Turkish	ön	front
9	Ottoman Turkish	اوك	voice (of human or animal); sound
10	Proto-Turkic	ǖn	sound, voice

Every word from Proto-Turkic ǖn →Every word from Ancient Greek -ᾰ́ς →Every word from Hungarian ön- →