Where does “ⲃⲟⲏⲑⲟⲥ” come from?

ⲃⲟⲏⲑⲟⲥ (Coptic) comes from Ancient Greek βοηθός, from Ancient Greek βοηθόος, from Ancient Greek θοός, from Ancient Greek θέω, from Ancient Greek θεϝ-, from Proto-Indo-European dʰew- — to die, pass away; to run, flow.

ⲃⲟⲏⲑⲟⲥ (Coptic): supporter, helper, aide

Definitions

supporter, helper, aide

Ancestry of “ⲃⲟⲏⲑⲟⲥ”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	βοηθός	assisting, auxiliary
2	Ancient Greek	βοηθόος	heeding the call to arms, rushing to battle;...
3	Ancient Greek	θοός	quick, swift; sharp, pointed
4	Ancient Greek	θέω	I run; I fly
5	Ancient Greek	θεϝ-	—
6	Proto-Indo-European	dʰew-	to die, pass away; to run, flow

Every word from Proto-Indo-European dʰew- →Every word from Ancient Greek θεϝ- →Every word from Ancient Greek θέω →