rubber (natural and synthetic) · plastic · a rubber tree, hevea (Hevea brasiliensis)
çekim: çoğul caoutchoucs
eş: gomme élastique, figuier caoutchouc
köken: Borrowed from Spanish cauchuc (an early variant of caucho), from Quechua kawchu. The final -c was formerly variably pronounced or silent, but is now always silent.
young female sheep · rough wool · flock (for mattress)
çekim: çoğul borras
köken: Etymology tree Proto-Indo-European *péh₂wr̥ Proto-Hellenic *pāwər Ancient Greek πῦρ (pûr) Proto-Indo-European *-rós Proto-Hellenic *-rós Ancient Greek -ρός (-rós) Ancient Greek πῠρρός (pŭrrhós)bor. Latin burrus Latin burra Old Spanish borra Spanish borra Inherited from Old Spanish borra, from Latin burra. Cognate with English bureau and burel.
köken: Borrowed from English condom, either named for a British physician (during Charles II's reign) or from Italian guantone, from guanto (“glove”); cognate with German Kondom and French condom.
rubber (pliable material derived from the sap of the rubber tree) · eraser (thing used to remove something written or drawn by a pen or a pencil) · wineskin (bag for holding wine)
çekim: çoğul borrachas
köken: Borrowed from Spanish borracha (“wineskin”); because native Amazonians used rubber to make waterskins, the meaning began to apply to the substance.
futile (of a promise, not intended to be kept) · uncovered, bounced, unbacked (not backed with sufficient funds, as a cheque) · groundless, baseless (without any grounds to support it, like a rumor)