词根词缀：dacryo-, dacry-

【来源及含义】Greek: tear, tears; as from a tear-gland or the tear-glands in the eyes

【相关词根词缀】Related "tear, tears; as in crying" word unit: lacrimo-.

【同源单词】adacrya, conjunctivodacryocystorhinostomy, conjunctivodacryocystostomy, dacryadenalgia, dacryadenitis, dacryagogatresia

词根词缀：olig-, oligo-

【来源及含义】Greek: prefix; scanty, little, meager, tiny, infrequent; abnormally few or small

【相关词根词缀】Related "few, small, less, little" word units: micro-; mini-; mio-, meio-; nano-.

【同源单词】oligacanthous, oligandrous, oliganthous, oligarch, oligarchic, oligarchical