词根词缀：acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia

【来源及含义】Greek: akoustikos, to hear, hearing; to listen, listening

【相关词根词缀】 Related "hear, hearing; listen, listening" units: audio-; ausculto-.

【同源单词】acouasm, acoubuoy, acouesthesia, acoumeter, acouophone, acouophonia

词根词缀：boustro-

【来源及含义】Greek: turning like oxen in plowing; alternate lines in opposite directions; zig-zag procedure

【同源单词】boustrophedon, boustrophedon text, boustrophedon transform, boustrophedonic, boustrophedonic imaging, boustrophedonically

词根词缀：croustico-, crousto-, crusto-, croust-, crust-; kroustico-, krousto-, kroust-, krust-

【来源及含义】Greek: to stretch; stretch out; to beat, to strike

【同源单词】procrustean rule, procrustean string, procrustean, procrusteanism, procrusteanize, Procrustes