Thanks!  This is useful.

>From: Elliott Lash <[log in to unmask]>
>
>Old Irish marks perfective and potential aspect by
>augmenting the verb with a derivational prefix. For
>most verbs it is "ro-" (or some phonologically
>conditioned variant). But, for some a range of other
>prefixes are used. Note also, that in the examples
>this "prefix" is often inserted between the root and
>another prefix which is in Old Irish grammar called  a
>"preverb". I'll mark the preverb off from the root
>with a colon.

Is the preverb historically part of the verb proper, or it did it develop
from a series of bound morphemes?

<snip examples>

/ro/, /com/, and /ad/?  Do you know the etymologies of these morphemes?  It
is the etymological typology of the process I'm most interested in.

Also, is the potential ambiguous with the perfective, or is there a
different set of morphemes for forming the potential?  All of your examples
were perfective.

>And a lot of others prefixes. But mostly it's "ro".
>Also, some verbs add some other prefix to a suppletive
>root to for the potential or the perfective.

Interesting, but not too surprising.  Could you give an example or two of
that with etymological glosses?

>I also think that Georgian has a system like Russian
>or Old Irish, more like Russian probably. I can't
>think of many examples right now.

I'll have to check that out.

Athey

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