Where does “ag” come from?

ag (Irish) comes from Middle Irish oc, from Old Irish óc, from Proto-Celtic *yuwankos, from Proto-Indo-European h₂yuh₁n̥ḱós, from Proto-Indo-European h₂yuh₁en-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

ag (Irish): particle used with the verbal noun to mark the...

Definitions

particle used with the verbal noun to mark the...

Ancestry of “ag”, step by step

ag traces back through two separate lines of ancestry.

via Middle Irish oc

Step	Language	Word	Meaning
1	Middle Irish	oc	at, beside, by
2	Old Irish	óc	young; young man; warrior
3	Proto-Celtic	*yuwankos	young
4	Proto-Indo-European	h₂yuh₁n̥ḱós	—
5	Proto-Indo-European	h₂yuh₁en-	young
6	Proto-Indo-European	h₂ey-	vital force, life, age, eternity; day, morning

via Irish chuig

Step	Language	Word	Meaning
1	Irish	chuig	to; towards; at, for
2	Irish	chuige	third-person singular masculine of chuig
3	Old Irish	cuci	to such an extent, so great

Words derived from “ag”

Every word from Proto-Indo-European h₂ey- →Every word from Proto-Indo-European h₂yuh₁en- →Every word from Proto-Indo-European h₂yuh₁n̥ḱós →