(st.k 11/1997):  [{lo’laH}] is a simple verb in its own right (though it's an unusual two-syllable one), not the verb {lo'} “use” plus Type 5 suffix {-laH} “can”.  It is likely that there is some sort of historical connection to the verb + suffix form, but, if so, it is just that -- historical.

Voragh

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From: SuStel

Oh, and don't forget lo'laH be valuable, which I believe Okrand said isn't necessarily just lo' + -laH.

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SuStel
http://trimboli.name