Re: [tied] *pa(x)u- "small" and "fire"?

Piotr:

>Heteroclitic nouns in *-wr./*-wo:r ~ *-wo:n/*-w(e)n- are normally deverbal.
>In this case, *pah2- is perhaps the 'guard, protect' root: *pah2-wr. 'that
>which is guarded' (?).

But what shows that *paxwr should be analysed as *pax-wr over *paxw-r?


- gLeN


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