Where does “interknuckle” come from?

interknuckle (English) comes from English inter, from Middle English enteren, from French entrer, from Middle French entrer, from Old French entrer, from Latin intrō, from Latin intra, from Latin interus — Contrastive or oppositional adjectival suffix.

interknuckle (English): Between knuckles

Definitions

  1. Between knuckles

Ancestry of “interknuckle”, step by step

interknuckle traces back through two separate lines of ancestry.

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix

via English knuckle

StepLanguageWordMeaning
1EnglishknuckleAny of the joints between the phalanges of the...
2Middle Englishknokelfinger joint
3Old Englishcnucelthe juncture of two bones; knuckle; joint
4Proto-West Germanicknukilknuckle, joint, small bone
5Proto-Germanicknukilazknuckle, small bone; knot, bump
6Proto-Germanicknukôjoint, bone
7Proto-Indo-Europeangnew-a bundle; knot; knot, bundle
8Proto-Indo-Europeangen-to squeeze, pinch, kink, ball up, concentrate; to...
Every word from Proto-Indo-European -teros