Origins
The verb 'depose' entered English around 1290 from Old French 'deposer,' meaning 'to put down, to remove from office, to bear witness.' The Old French word descends from Latin 'dēpōnere' (past participle 'dēpositum'), a compound of the prefix 'dē-' (down, away from) and 'pōnere' (to put, to place). The literal meaning is 'to put down' or 'to lay aside.'
The word's dual meaning in English — removing someone from power and giving sworn testimony — can seem puzzling, but both senses flow logically from the Latin original. To depose a ruler is to 'put them down' from their high position; to depose in a legal sense is to 'lay down' or 'set forth' one's testimony under oath. Both acts involve a downward placement: of a person from authority, or of words into the formal record.
The political sense of 'depose' has a long and dramatic history in English. The deposition of Richard II in 1399 was a defining constitutional crisis in medieval England, and Shakespeare's treatment of it in 'Richard II' made the word resonate with poetic and political power. The famous 'deposition scene' (Act IV, Scene 1) was so politically sensitive that it was censored from the first published editions during Elizabeth I's reign — the queen reportedly said, 'I am Richard II, know ye not that?' The fear was that depicting a deposition on stage might encourage one in reality.
Latin Roots
The legal sense — to give testimony under oath, or to take someone's testimony — became a specialized term in English and American law. A 'deposition' in legal usage is the sworn, out-of-court testimony of a witness, typically recorded for later use at trial. The person giving testimony is the 'deponent' (from Latin 'dēpōnentem,' one who puts down). In American legal practice, depositions are a central part of the discovery process, where attorneys question witnesses before trial to establish facts and pin down testimony.
The word 'deposit' is a close relative, entering English in the seventeenth century from the Latin past participle 'dēpositum' (something put down). A bank deposit is money 'put down' into an account; a security deposit is money 'put down' as a guarantee; a geological deposit is material 'put down' by natural processes. The French word 'dépôt' (from the same root) gave English 'depot' — a place where things are 'put down' or stored, whether goods or passengers.
In grammar, the term 'deponent verb' — a verb that is passive in form but active in meaning — comes from the same Latin source. Latin grammarians used 'dēpōnere' in the sense of 'to lay aside': a deponent verb has 'laid aside' its active forms while retaining active meaning. This grammatical usage, while technical, preserves an ancient application of the 'putting down' metaphor.
Figurative Development
The historical frequency of depositions — of popes, kings, emperors, and presidents — has made 'depose' a word freighted with political gravity. Popes deposed emperors (Gregory VII vs. Henry IV, 1076); parliaments deposed kings (the English Parliament vs. Richard II, 1399; vs. James II, 1688); revolutionaries deposed monarchies (the French Revolution, 1789). The word carries implicit drama: to depose is not merely to remove but to bring down from height, with all the violence and upheaval that metaphor implies.
Phonologically, 'depose' follows the standard English pattern for French-derived verbs: stress on the second syllable, /dɪˈpoʊz/. The Latin prefix 'dē-' reduces to /dɪ-/ in English, consistent with the treatment of this prefix in many borrowed words (decide, depend, defer).