'agatelike' originates from the word 'agate', which comes from the Greek word 'achates', referring to a river in Sicily where agates were found.

'achates' transformed into the Latin word 'achates', and eventually became the modern English word 'agate', leading to the formation of 'agatelike'.

Initially, 'agate' referred to the stone itself, but 'agatelike' evolved to describe anything resembling the stone's appearance.