Where does “ⲡϣⲟⲙⲧ ⲛⲕⲁⲥⲧⲣⲟⲛ” come from?

ⲡϣⲟⲙⲧ ⲛⲕⲁⲥⲧⲣⲟⲛ (Coptic) comes from Coptic ⲕⲁⲥⲧⲣⲟⲛ, from Ancient Greek κάστρον, from Latin castrum, from Proto-Italic kastrom, from Proto-Indo-European ḱos-tróm, from Proto-Indo-European ḱes- — to cut off, separate; to cut up, to slaughter; to...

Ancestry of “ⲡϣⲟⲙⲧ ⲛⲕⲁⲥⲧⲣⲟⲛ”, step by step

ⲡϣⲟⲙⲧ ⲛⲕⲁⲥⲧⲣⲟⲛ traces back through two separate lines of ancestry.

via Coptic ⲕⲁⲥⲧⲣⲟⲛ

Step	Language	Word	Meaning
1	Coptic	ⲕⲁⲥⲧⲣⲟⲛ	fortress, camp
2	Ancient Greek	κάστρον	fort
3	Latin	castrum	castle, fort, fortress; camp, especially a...
4	Proto-Italic	kastrom	knife
5	Proto-Indo-European	ḱos-tróm	—
6	Proto-Indo-European	ḱes-	to cut off, separate; to cut up, to slaughter; to...

via Coptic ϣⲟⲙⲧ

Step	Language	Word	Meaning
1	Coptic	ϣⲟⲙⲧ	three
2	Egyptian	ḫmtw	three

Every word from Proto-Indo-European ḱes- →Every word from Proto-Indo-European ḱos-tróm →Every word from Proto-Italic kastrom →