A verb meaning “to build” derived from √KAR “do, make” and related to carassë “built fort or dwelling” (PE17/84).
Quenya
carasta-
build
carasta-
verb. to build, to build, construct
carasta
noun. making, manufacture, construction
carastanyarro
noun. beaver, (lit.) build-rat
ampan-
verb. build
ampanóta-
verb. build, erect a building, construct
carie
making, doing
umpano
build
umpano noun "build" (read: building), alternative form of ampano, which form is probably to be preferred (VT45:36, compare PAN; VT46:8 records how Tolkien in one case altered umpano to ampano)
castor
noun. beaver
carasta- vb. "build" (PE17:84)