lá (2) prep. "athwart, over, across, beyond" (PE17:65), also used in phrases of comparison, e.g. "A ná calima lá B", A is bright beyond (= brighter than) B (VT42:32).
Quenya
lanna
athwart
lá
athwart, over, across, beyond
landa, lanna
noun. a plain
lanna prep. "athwart" (PE17:65)