Where does “top-drain” come from?

top-drain (English) comes from English drain, from Middle English dreinen, from Old English drēahnian, from Proto-Germanic drauhnōną, from Proto-Germanic draugiz, from Proto-Indo-European dʰerǵʰ-, from Proto-Indo-European dʰer- — to support; to hold.

top-drain (English): To drain the surface of

Definitions

  1. To drain the surface of

Ancestry of “top-drain”, step by step

top-drain traces back through two separate lines of ancestry.

via English drain

StepLanguageWordMeaning
1EnglishdrainA conduit allowing liquid to flow out of an...
2Middle Englishdreinen
3Old Englishdrēahnianto drain, strain, filter
4Proto-Germanicdrauhnōnąto strain, sieve
5Proto-Germanicdraugizhard, solid; dry
6Proto-Indo-Europeandʰerǵʰ-to strengthen; to strengthen; become hard; to...
7Proto-Indo-Europeandʰer-to support; to hold

via English top

StepLanguageWordMeaning
1EnglishtopThe highest or uppermost part of something; A...
2Middle EnglishtopThe summit or top of something, especially a...
3Old Englishtopptop, summit (of something)
4Proto-West Germanic*topptop, summit, crest
5Proto-Germanictuppaztuft, plait; top, summit
6Proto-Indo-Europeandumb-tail, rod, staff, pole, penis; tail, rod, staff,...
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerǵʰ-Every word from Proto-Germanic draugiz