köken: From Proto-Iranian *čāt- / *čāθ- (“pit, well”), from an early derived form of Proto-Indo-Iranian *kanH- (“to dig”). Cognate with Sanskrit चात्वाल (cātvāla, “a hole in the ground for constructing the Uttara-vedi, performing oblations, or for sacrificial fire”).
köken: Uncertain. Possibly from Old Galician-Portuguese furaco, through Vulgar Latin *foraculum from Latin forāmen (“aperture, opening”). Compare Galician buraco, furaco, furado, Asturian furacu, buracu, Ladino burako, Leonese buraco, Spanish buraco; compare also, just for the card games, Italian burraco and Sicilian vurracu. Cf. also Catalan forat, Spanish horado. Or, possibly borrowed from Old High…
aile: buraco-branco, buraco-cinza, buraco-negro, sair do buraco, tapa-buracos, tapar buracos
köken: From Byzantine Greek κουκούτσιν (koukoútsin), borrowed from Italian cucuzza (“pumpkin”), with semantic shift "pumpkin" > "seeds of the pumpkin" > "seeds of other fruit (stone, pit, pip, kernel)".
a pit trap or snare · a hole in the top of a box or other container for dropping things in · a deliberate ploy to deceive someone into a bad situation: a deliberate pitfall
köken: Compound of 落(お)とし (otoshi, “dropping, making something fall”, the 連用形 (ren'yōkei, “continuative or stem form”) of verb 落(お)とす (otosu, “to drop something, to make something fall”)) + 穴(あな) (ana, “hole”). Originally referred to a kind of trap. First attested to the early 1200s.
köken: First attested in the Seokbo sangjeol (釋譜詳節 / 석보상절), 1447, as Middle Korean 굳 (Yale: kwut). The modern form is equivalent to 굳 (gut) + -엉 (-eong, diminutive suffix) + -이 (-i, noun suffix), and is first attested in the mid-nineteenth century.
köken: Probably a substratum word, akin to Albanian gropë, or possibly derived from it. Compare also Aromanian groapã, Bulgarian гропа (gropa). Ultimately from Proto-Indo-European *gʰrebʰ- (“to dig, scratch, scrape”). Cognate with Old Norse grǫftr (“graving, grave, burial, funeral”), Old Church Slavonic гробъ (grobŭ, “grave”) and English grave.
aile: gropar, gropiță, îngropa, cu un picior în groapă
köken: De Vaan dismisses any relation with Ancient Greek χειά (kheiá, “serpent's den”), and leaves the origin open. He notes that favissae (“underground cellars”) may or may not be related. Older theories derived the word from a Proto-Indo-European *bʰow- (“pit, hole”) (compare Proto-Germanic *būkaz (“belly”)).