[[awl]]

Could you look over this word's etymology section, particularly the PIE part?

It occurs to me that a list of all uses of capital 'H' inside {{recons}}, perhaps limited to cases where lang=ine-pro, could be extracted from a database dump.

According to WT:AINE, capital H stands for either h1, h2 or h3, when it's not known which one. So it's not a mistake.

Aha! And if my memory had served me better I would have recalled that you explained that to me before, when we discussed ₐ and ₓ. :b