Where does “tail-skid” come from?

tail-skid (English) comes from English skid, from English stepkid, from English step, from English stepchild, from Middle English stepchild, from Old English stēopċild, from Old English ċild, from Proto-Germanic kelþaz — to swallow; swallow.

Ancestry of “tail-skid”, step by step

tail-skid traces back through two separate lines of ancestry.

via English skid

StepLanguageWordMeaning
1EnglishskidAn out-of-control sliding motion as would result...
2Englishstepkidstepchild
3EnglishstepAn advance or movement made from one foot to the...
4EnglishstepchildThe child of one's spouse but not one's own; A...
5Middle Englishstepchildstepchild child of a spouse
6Old Englishstēopċildstepchild
7Old Englishċildchild, youth; fetus; female baby; child
8Proto-Germanickelþazfetus; newborn; infant; child
9Proto-Indo-Europeanǵelt-womb
10Proto-Indo-Europeanǵel-to swallow; swallow

via English Tail

StepLanguageWordMeaning
1EnglishTailA Chinese constellation coinciding with the tail of Scorpius, one of the 28 lunar mansions and the tail of Azure Dragon
2Middle EnglishtaylA tail; The back side or reverse of a creature; A...
3Old Englishtæġltail
4Proto-Germanictagląhair; ponytail; hair of a tail; tail
5Proto-Indo-Europeandoḱ-hair of the tail
6Proto-Indo-Europeandeḱ-take; perceive
Every word from Proto-Indo-European ǵel-