Definition of Pachypasa
: a genus of lasiocampid moths including a Syrian silkworm (P. otus) reared by the Greeks and Romans for its silk until the introduction of the Chinese silkworm in a.d. 550
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Origin and Etymology of pachypasa
New Latin, probably from pachy- + Greek pas all; akin to Sanskrit śaśvat every, śvayati he swells
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