longĭuscŭlus

a, um
I. adj. dim. [longior, -ius], rather long (very rare): versus, Cic. Arch. 10, 25.—Hence, * adv.: longĭ-uscŭlē, rather far: progredi, Sid. Ep. 8, 11.
Lewis & Short
A Latin Dictionary, 1879
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