-ach

Middle Irish

/əx/

suffix

Etymology

Inherited from Old Irish -ach inherited from Proto-Celtic *-ākos inherited from Proto-Indo-European *-eh₂kos.

Origin

Proto-Indo-European

*-eh₂kos

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms

*-eh₂kos Proto-Indo-European
*-eh₂ḱos, *-eh₂kos Proto-Indo-European
*-kos Proto-Indo-European
*gʷr̥H- Proto-Indo-European
-ach Irish
-ach Old Irish
-ach Gaelic, Scottish Gaelic
-agh Manx
*-ākos Proto-Celtic
*buggos Proto-Celtic
*kēlyos Proto-Celtic
*-ọg Proto-Brythonic