Etymology of the English word symmetrical
the English word symmetrical
derived from the English word symmetry
derived from the Latin word symmetria (symmetry; due proportion between parts; relative measure of parts)
derived from the Greek word summetria, συμμετρία
derived from the Greek word sun, σύν (together; with or together ; by association, companionship, process, resemblance, possession, instrumentality, addition, etc.)
derived from the Greek word sum
using the English suffix -ical