crestal (English) comes from English AL, from Dutch al, from Middle Dutch al, from Old Dutch āl, from Proto-West Germanic all, from Proto-Germanic allaz, from Proto-Indo-European h₂él- — to grow, nourish.
crestal (English): That is situated on, or forms part of, a crest
Definitions
That is situated on, or forms part of, a crest
Ancestry of “crestal”, step by step
crestal traces back through two separate lines of ancestry.