Where does “penknife” come from?

Penknife derives from Middle English penne knyfe, combining Middle English penne from Old English penn, ultimately from Latin penna meaning feather or quill.

penknife (English): Originally a small utility knife for cutting the...

Definitions

  1. Originally a small utility knife for cutting the...

Ancestry of “penknife”, step by step

penknife traces back through 3 separate lines of ancestry.

via English pen

StepLanguageWordMeaning
1EnglishpenAn enclosure used to contain domesticated...
2EnglishpenetrationThe act of penetrating something; Specifically,...
3Middle Englishpenetracioun
4Old Frenchpenetracïonpenetration (act, instance of penetrating)
5Latinpenetrātiōpiercing, penetration
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via Middle English penne knyfe

StepLanguageWordMeaning
1Middle Englishpenne knyfepenknife
2Middle EnglishpenneA pen or other implement for writing; A writer's...
3Anglo-Normanpennefeather
4Old Frenchpennefeather
5Latinpennawing; feather, especially a flight-feather;...
6Proto-Italicpetnāfeather; wing
7Proto-Indo-Europeanpéth₂r̥wing; feather
8Proto-Indo-Europeanpeth₂-to spread out; to fly

via English knife

StepLanguageWordMeaning
1EnglishknifeA utensil or a tool designed for cutting,...
2Middle EnglishknyfA knife as a tool or instrument; the following...
3Old Englishcnīfknife
4Old Norseknífrknife
5Proto-Germanicknībazpincers; shears; knife
6Proto-Germanicknīpanąto pinch
7Proto-Indo-Europeanǵneybʰ-
Every word from Ancient Greek χάλιξ