dogged

Etymology 1

From the verb to dog.

verb

1. simple past and past participle of dog
   At night proctors patrolled the street and dogged your steps if you tried to go into any haunt where the presence of vice was suspected. 1903, Samuel Butler, The Way of All Flesh
   They will replace the four five-car Class 180 Adelantes … that have been dogged by poor reliability. December 4 2019, Richard Clinnick, “New Trains Special”, in Rail, page 16

Etymology 2

From Middle English dogged, doggid, doggyd (“characteristics similar to that of a dog”), equivalent to dog + -ed.

adj

1. stubbornly persevering, steadfast
   Rushing out to the point above the reef, we watched the conflict between canoe and sea. When the man reached the gas boat, the screams of the boy stopped. With great risk they loaded the canoe till she began to take water. The boy bailed furiously. The long dogged pull of the man's oars challenged death inch by inch, wave by wave. 1941, Emily Carr, chapter 18, in Klee Wyck
   It had taken nine years from the evening that Truman first showed up with a pie plate at her mother's door, but his dogged perseverance eventually won him the hand of his boyhood Sunday school crush. 2004, Chris Wallace, Character: Profiles in Presidential Courage
   Using the latest technology, and with the dogged determination of our testing and tracing scheme, we've successfully identified the person in question. 2021-03-05, Matt Hancock, quotee, “Mystery person with Brazil variant found thanks to dogged determination, says Matt Hancock”, in The Guardian, →ISSN

adv

1. (dated, slang) very
   "I'm afraid I've given him a heap of trouble. You see," he explained, looking at Paul critically, "I never thought of eating before I left town, and one gets so dogged hungry, you know walking. I say it is a long tramp, isn't it?" 1918, Ethel Penman Hope, Dr. Paul, page 127