The tiny mark over the left ab*ril looks a bit like an h. Interestingly, one of the few hits for "abhril" is a 1840 English book on pronunciations. It explains the pronunciation of the French avril as "abh-ril". Given that most month names in the VMS are in what appears to be non standard spelling for mainstream European languages of the past, what's the chance that someone just tried to represent the sounds of month names from a foreign language?
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