as: Octa

 
 7.66 '.octa BIGNUMS'
 ====================
 
 This directive expects zero or more bignums, separated by commas.  For
 each bignum, it emits a 16-byte integer.
 
    The term "octa" comes from contexts in which a "word" is two bytes;
 hence _octa_-word for 16 bytes.