Where does “trap-jaw ant” come from?

trap-jaw ant (English) comes from English ȧnt, from Middle English ampte, from Old English ǣmete, from Proto-West Germanic āmaitijā, from Proto-West Germanic uʀ-, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds- — out, outward.

trap-jaw ant (English): Any of a group of carnivorous ants, of the genus Odontomachus, that have mandibles that can snap shut on prey

Definitions

  1. Any of a group of carnivorous ants, of the genus Odontomachus, that have mandibles that can snap shut on prey

Ancestry of “trap-jaw ant”, step by step

trap-jaw ant traces back through 3 separate lines of ancestry.

via English ȧnt

StepLanguageWordMeaning
1Englishȧnt
2Middle EnglishampteAn ant; a formicid; A mantid
3Old Englishǣmete
4Proto-West Germanicāmaitijāant
5Proto-West Germanicuʀ-out, over; off, away
6Proto-Germanicuz-up, out
7Proto-Indo-Europeanuss-
8Proto-Indo-Europeanuds-up, out
9Proto-Indo-Europeanúdout, outward

via English trap

StepLanguageWordMeaning
1EnglishtrapA machine or other device designed to catch (and sometimes kill) animals, either by holding them in a container, or by catching hold of part of the body
2Middle Englishtrappetrap
3Old Englishtræppea trap
4Proto-Germanictrap-
5Proto-Indo-Europeandreb-
6Proto-Indo-Europeander-to split, to separate; to tear, to crack, to...

via English Jaw

StepLanguageWordMeaning
1EnglishJawOne of the bones, usually bearing teeth, which form the framework of the mouth
2Middle Englishjowejaw, jawbone
3Old Frenchjoecheek
4Vulgar Latin*ga(v)ota
Every word from Proto-Indo-European údEvery word from Proto-Indo-European uds-Every word from Proto-Indo-European uss-