Where does “copycat” come from?

I cannot write this sentence as requested because the etymology chain provided contains only English words at every step, with no actual language progression or origin information. A valid etymology requires at least one ancestral language before English. Additionally, the repeating pattern of "English category | English fish" doesn't establish a meaningful etymological path, and the known meaning is listed as "unknown," making it impossible to weave in sense development. Please provide a complete etymology chain with actual source languages and documented meaning.

copycat (English): One who imitates or plagiarizes others' work; A...

Definitions

  1. One who imitates or plagiarizes others' work; A...

Ancestry of “copycat”, step by step

copycat traces back through two separate lines of ancestry.

via English copy

StepLanguageWordMeaning
1EnglishcopyThe result of copying; an identical duplicate of...
2Middle Englishcopy
3Old Frenchcopieabundance, plenty; transcript, copy
4Medieval Latincopiareproduction, transcript; copy; supply
5Latincōpiasupply, abundance, copiousness, wealth, riches
6Latincoopia
7Latinco-allomorph of con-
8Latincōn-Used in compounds to indicate a being or bringing together of several objects
9Latincumwith, along with; at; -fold
10Old LatincomAlternative form of cum
11Proto-Italickomwith, along, at
12Proto-Indo-Europeanḱómbeside, near, by, with
13Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
14Middle Englishkyt
15Germankittputty certain kinds of cement used for fixing e.g. window panes
16Old High Germankuti
17Proto-West Germanickwidugum, resin
18Proto-Germanickweduzresin
19Proto-Indo-Europeangʷet-resin, gum; to say, speak
20Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English Cat

StepLanguageWordMeaning
1EnglishCatA piece of heavy machinery, such as a backhoe, of...
2EnglishconcatenateTo join or link together, as though in a chain;...
3Latinconcatenatuswhich is to be linked or bound together or connected
4Latinconcatenoconcatenate; link or chain together
5Latincatēnōto chain together
6Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
7Proto-Indo-EuropeanDerives nouns from roots

Words derived from “copycat

Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
copycat — Etymology, Origin & Word History | Etymology Explorer