Jama was attested in historical sources as
Luͦg in 1291,
Lug in 1383,
Ernluͤg in 1392, and
Lueg in 1497, among other variations. The historical German name (cf.
Old High German luog 'cave, den') and the modern Slovene name
Jama (literally, 'cave') refer to the local geography. ==Church==