Etymograph

English

leptoquark

From lepto- + quark.

Formed from lepto- + quark

Ancient Greek λέπω ‘I peel’

Ancient Greek λεπτός ‘thin’

English lepto-

Today it means

noun Any of a class of hypothetical bosons that would decay into a lepton and a quark.

Language periods are conventional ranges, not dates for this word.

Etymograph / leptoquark