Where does “cockhead” come from?

cockhead (English) comes from English cock, from Middle English cok, from Old English cōc, from Vulgar Latin cocus, from Latin coquus, from Latin coquō, from English Cook, from German kochen.

cockhead (English): The glans penis; Dickhead; The rounded or pointed...

Definitions

  1. The glans penis; Dickhead; The rounded or pointed...

Ancestry of “cockhead”, step by step

cockhead traces back through two separate lines of ancestry.

via English cock

StepLanguageWordMeaning
1EnglishcockA male bird, "especially:"; A valve or tap for...
2Middle Englishcokrooster, cock; rooster crest, comb; heraldic...
3Old Englishcōca cook
4Vulgar Latincocus
5LatincoquusA cook; person who makes food
6Latincoquōto cook; prepare food
7EnglishCookA placename
8Germankochento cook, to prepare food; to boil; to be stirred...
9Middle High Germankochento cook
10Old High Germankohhōnto cook
11Proto-Germanickukōnąto cook
12Latincoqueresecond-person singular future passive indicative...
13Proto-Italickʷekʷōto cook
14Proto-Indo-Europeanpékʷetito be cooking; to ripen
15Proto-Indo-Europeanpekʷ-to cook; to ripen
16Proto-Indo-Europeanh₃-ép-kʷ-

via English head

StepLanguageWordMeaning
1EnglishheadThe part of the body of an animal or human which...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European h₃-ép-kʷ-Every word from Proto-Indo-European pekʷ-Every word from Proto-Indo-European pékʷeti