Tass
Origin 1
Alternative forms
Partly from Middle English tas ("heap"), from Old French tas ("heap"), from Old Frankish *tas ("mass, pile"); and partly from Middle English taas ("heap, mow of corn"), from Old English tas ("heap, mow of grain"); both from Proto-Germanic *tasaz, *tassaz ("heap, mow, stack"), from Proto-Indo-European *dÄy- ("to divide, split, section, part, separate"). Related to Middle Dutch tas, tasse (Dutch tas, "heap, pile"), Middle Low German tas ("mow of hay or wheat"), Gothic (ungatass, "disorganised, irregular"); and possibly also to Old High German zetten ("to straw, fertilise"), Old Norse tað ("spread dung"). See tath.
Origin 2
Compare French tasse ("cup, cupful").