Learn how to say Impeachable correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word impeach:
call into question the integrity or validity of (a practice):
there is no desire to impeach the privileges of the House of Commons
British charge (someone) with treason or another crime against the state.
chiefly US charge (the holder of a public office) with misconduct.
late Middle English (also in the sense ‘hinder, prevent’; earlier as empeche): from Old French empecher ‘impede’, from late Latin impedicare ‘catch, entangle’ (based on pedica ‘a fetter’, from pes, ped- ‘foot’). Compare with impede