From Old Latin aestumāre, whose origin is uncertain. Usually explained as aes (“copper, bronze”) + *temos (“cut”), so “one who cuts copper”, meaning one in the Roman Republic who mints money. The second element is then from Proto-Indo-European *temh₂- (“to cut”).
- I determine the value of something; value, price, rate, appraise, assess; estimate, reckon, consider, judge.
- I estimate the moral value of something; hold, weigh, value.