English
symmetrical
From symmetry + -ical.
A compound of symmetry + -ical
Ancient Greek σύμμετρος ‘symmetrical’
Ancient Greek συμμετρία
Latin symmetria ‘symmetry, proportion’
English symmetry
Today it means
adj Exhibiting symmetry; having harmonious or proportionate arrangement of parts; having corresponding parts or relations.
Language periods are conventional ranges, not dates for this word.
Etymograph / symmetrical