From: P&G
Message: 31097
Date: 2004-02-15
>The lengthening of the root vowel in the s-aorist suggests to me that theIsn't Szemerényi lengthening due to loss of the following -s? But here it
>original shape was *deyk^s > *de:yk^s, with length due to normal
>"Szemerényi lengthening", as in the nom.sg..