词根词缀：-ar

【来源及含义】Latin: a suffix; pertaining to, of the nature of, like; denoting an agent

【同源单词】adumbrellar, allobar, altar, altar, alveolar, amphistylar

词根词缀：troch-, trocho-

【来源及含义】Greek: that which is round[ed]; a wheel, a disk

【同源单词】trochal, trochanter, trochanteritis, trochlea, trochlear, trochlear nerve