Etymology of the English word oligoclase
the English word oligoclase
derived from the Greek word klasis, κλάσις (fracture (the act))
derived from the Greek word klan, κλᾶν
derived from the Byzantine Greek word klao, κλάω (to break (specially, of bread))
using the English prefix oligo-
derived from the Greek word oligos, ὀλίγος (few; puny (in extent, degree, number, duration or value); especially neuter somewhat)
using the English suffix -clase