Morpheme
Lu
Type
bound base
Denotation
light, unit of luminous flux
Etymology
Latin lūx
Evidence
decalumen, endolumen, kilolumen, lumen, lumenal, lumenally, lumened, lumenization, lumenize, lumenized, lumenizes, lumenizing, lumenless, lumenless, lumenogenesis, lumens, lumina, multilumen, teralumen
Notes
International System of Units “Derived Unit”
<n> does not double because the stress falls on the first syllable
