From: Miguel Carrasquer
Message: 21446
Date: 2003-05-02
>************But the root in question is *h2auh1-, not *h1euh2-.
>ENTRY: euh1-
>
>DEFINITION: To leave, abandon, give out, whence nominal derivatives
>meaning abandoned, lacking, empty. Oldest form *h1euh2-, zero-grade *
>h1uh2-, with variant form *h1weh2-, colored and contracted to *wa:-.
>1. Suffixed form *wh-no-. a. wane; wanton, from Old English wanian,
>to lessen (from Germanic *wane:n), and wan-, without; b. want, from
>Old Norse vanta, to lack, from North Germanic *wanat n. 2. Suffixed
>form *wa: -no-. vain, vanity, vaunt; evanesce, vanish, from Latin
>va:nus, empty. 3. Extended form *wak-. vacant, vacate, vacation,
>vacuity, vacuum, void; avoid, devoid, evacuate, from Latin vaca:re
>(variant voca:re), to be empty. 4. Extended and suffixed form *was-to-
>. waste; devastate, from Latin va:stus, empty, waste. (Watkins euh1-,
>Pokorny 1. eu- 345.)
>
>As You could see, in no variant, this PIE root has nothing to do with
><steam> or <vapour>, neither in other languages derives such meanings.