hookkeeper

== English == === Etymology === From hook +‎ keeper. === Noun === hookkeeper (plural hookkeepers) A wire ring that holds a fly-fishing fishhook in place while rigged. === Trivia === Hookkeeper and its respective derivations, along with bookkeeper and its derivations, constitute the only English words with three consecutive doubled letters. Hyphenated words include sweet-toothed and hoof-footed.