aestimo

Etymology
From, from , whose origin is. Usually explained as, so “one who cuts copper”, meaning one in the Roman Republic who mints money. The second element is then from.

However, De Vaan finds this improbable and instead proposes a connection with, found in.

Verb

 * 1) to determine the value of something; value, price, rate, appraise, assess; estimate, reckon, consider, judge
 * 2) to estimate the moral value of something; hold, weigh, value