Meaning

adjective disposed or willing to comply

adjective readily reacting to suggestions and influences

adjective open to being acted upon in a certain way

originBorrowed from Anglo-Norman amenable, amesnable, from amener (“to bring or lead, fetch in or to”) + -able (“-able”); amener is in turn from a- + mener (“to lead, conduct”), from Late Latin mināre (“to drive”), Latin deponent minārī (“to threaten, menace”).

Etymology from Wiktionary, CC BY-SA 3.0