Where does “coolheadedness” come from?

coolheadedness (English) comes from English coolheaded, from English cool, from Middle English cool, from Middle English pek, from Middle English pike, from Old English pīc, from Proto-Germanic *pīk, from Latin pix — sap, juice.

coolheadedness (English): The state or characteristic of being coolheaded

Definitions

  1. The state or characteristic of being coolheaded

Ancestry of “coolheadedness”, step by step

coolheadedness traces back through two separate lines of ancestry.

via English coolheaded

StepLanguageWordMeaning
1EnglishcoolheadedHaving an even temper; calm and collected
2EnglishcoolHaving a slightly low temperature; mildly or...
3Middle Englishcool
4Middle Englishpekpeak
5Middle EnglishpikeAlternative form of pyke; pike; sharp point, iron...
6Old Englishpīcpointed object, pick axe
7Proto-Germanic*pīk
8Latinpixpitch, tar
9Proto-Indo-Europeanpik-to be angry; pitch; resin
10Proto-Indo-Europeanpi-sap, juice

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European pi-
coolheadedness — Etymology, Origin & Word History | Etymology Explorer