Related to Goyetia or a similar proper noun; the exact meaning is uncertain due to the word's obscurity.
Possibly derived from a geographical location or proper name with the suffix '-ian' indicating relationship or belonging, though the exact origin is unclear.
Adjectives ending in '-ian' are usually pretty reliable—they tell you something belongs to or relates to a place or person—but this one is so rare that its exact referent has been lost to time.
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