Where does “self-suck” come from?

self-suck (English) comes from English suck, from Middle English souken, from Old English sūcan, from Proto-West Germanic sūkan, from Proto-Germanic sūkaną, from Proto-Indo-European sug-, from Proto-Indo-European sew- — to press out, extract; juice; liquid, rain; to...

self-suck (English): Of a female farm animal: to drink its own milk;...

Definitions

  1. Of a female farm animal: to drink its own milk;...

Ancestry of “self-suck”, step by step

self-suck traces back through two separate lines of ancestry.

via English suck

StepLanguageWordMeaning
1EnglishsuckAn instance of drawing something into one's mouth...
2Middle EnglishsoukenTo suck; to extract or draw with the mouth; To...
3Old Englishsūcanto suck
4Proto-West Germanicsūkanto suck; to suckle
5Proto-Germanicsūkanąto suck; to suckle
6Proto-Indo-Europeansug-
7Proto-Indo-Europeansew-to press out, extract; juice; liquid, rain; to...

via English Self

StepLanguageWordMeaning
1EnglishSelfHimself, herself, itself, themself, themselves; that specific (person mentioned)
2Middle EnglishsalveAlternative form of sauf
3Old Englishsealfsalve
4Proto-West Germanicsalbusalve, ointment
5Proto-Germanicsalbōsalve, ointment
6Proto-Indo-Europeansolp-éh₂
7Proto-Indo-Europeanselp-fat, oil
Every word from Proto-Indo-European sew-Every word from Proto-Indo-European sug-Every word from Proto-Germanic sūkaną