popular name of several varieties of English wildflower, Old English cu-slyppe, apparently from cu "cow" (from PIE root *gwou- "ox, bull, cow") + slyppe "slop, slobber, dung" (from PIE root *sleubh- "to slide, slip"), which is its common habitat.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit gaus, Greek bous, Latin bos, Old Irish bo, Latvian guovs, Armenian gaus, Old English cu, German Kuh, Old Norse kyr, Slovak hovado "cow, ox."
In Germanic and Celtic, of females only; in most other languages, of either gender. For "cow" Latin uses bos femina or vacca, a separate word of unknown origin. Other "cow" words sometimes are from roots meaning "horn, horned," such as Lithuanian karvė, Old Church Slavonic krava.
It is the hypothetical source of/evidence for its existence is provided by: Latin lubricus "slippery, slimy, smooth," lubricare "make slippery or smooth;" Middle Dutch slupen "to glide;" Gothic sliupan "to creep, slide;" Old English slyppe "dung."
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Definitions of cowslip from WordNet
early spring flower common in British isles having fragrant yellow or sometimes purple flowers;
Synonyms: paigle / Primula veris
swamp plant of Europe and North America having bright yellow flowers resembling buttercups;
Synonyms: marsh marigold / kingcup / meadow bright / May blob / water dragon / Caltha palustris