Teller
来自Big Physics
wiktionary
From Middle English tellere(“one who counts or enumerates; one who recounts or relates; teller”), equivalent to tell(verb) + -er.
etymonline
teller (n.)
"bank clerk who pays or receives money," late 15c., "person who keeps accounts," agent noun from tell (v.) in its secondary sense of "count, enumerate," which is the primary sense of cognate words in many Germanic languages. Earlier "person who announces or narrates" (c. 1300).
