A / accensus
noun

accensus

gen. accensūs · gender masculine · decl. 4th
a kindling; setting on fire
a kindling or setting on fire: lucernarum, Plin. 37, 7, 29, § 103 dub. (al. assensu): luminum, Symm. 3, 48; Plin. 37, 7, 29, acc. to Hard.