Where does “ἐπιγλωττίς” come from?

ἐπιγλωττίς (Ancient Greek) comes from Ancient Greek ἐπί, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər, from Proto-Indo-European h₂eh₃mr̥, from Proto-Indo-European h₂eh₃- — to be hot; to burn.

Ancestry of “ἐπιγλωττίς”, step by step

ἐπιγλωττίς traces back through 3 separate lines of ancestry.

via Ancient Greek ἐπί

Step	Language	Word	Meaning
1	Ancient Greek	ἐπί	as well, besides; For usage in composition, see...
2	Ancient Greek	Ἡμέρα	—
3	Ancient Greek	ἦμαρ	day; by day; midday
4	Proto-Hellenic	ā́mər	day
5	Proto-Indo-European	h₂eh₃mr̥	heat
6	Proto-Indo-European	h₂eh₃-	to be hot; to burn

via Ancient Greek γλωττίς

Step	Language	Word	Meaning
1	Ancient Greek	γλωττίς	Attic form of γλωσσῐ́ς
2	Ancient Greek	γλῶσσα	a tongue; a language; the mouthpiece of a pipe
3	Old Norse	glotta	to grin, smile scornfully
4	Proto-Germanic	glutōną	To stare; gawk
5	Proto-Indo-European	ǵʰel-	to shine, glimmer, glow; to shimmer, gleam;...

via Ancient Greek γλῶττα

Step	Language	Word	Meaning
1	Ancient Greek	γλῶττα	Attic form of γλῶσσα

Words derived from “ἐπιγλωττίς”

Every word from Proto-Indo-European h₂eh₃- →Every word from Proto-Indo-European h₂eh₃mr̥ →Every word from Proto-Hellenic ā́mər →