Words and Proper Names

*-t(i) < -s

1264.
Schrijver (Peter): The Celtic adverbs for ‘against’ and ‘with’ and the early apocope of *-i.
In Ériu 45 (1994), pp. 151–189.
1. The origins of OIr. fri ‘against’, la ‘with’; 2. The early apocope of *-i; 3. The fate of ‘new’ word-final *-t; 4. Examples of *-t(i) > -s in Old Irish; 7. The origin of the Primitive Irish main clause verbal particle *es; 8. The present conjunct forms of the Old Irish copula after *ne ‘not’; 9. Summary.