overesteem
/ˌəʊv(ə)rɪˈstiːm/ /ˌəʊv(ə)rɛˈstiːm/verb
[with object] To esteem too highly; to think too highly of.
Origin
Mid 17th century; earliest use found in William Whately (1583–1639), Church of England clergyman and puritan preacher. From over- + esteem.