Sentence:  And he [Aesop] was not only Unhappy in the moſt ſcandalous Figure of a Man that ever was heard of; but he was in a manner <WSD>Tongue-Ty'd</WSD> too, by ſuch an Impediment in his ſpeech, that People could very hardly underſtand what he ſaid. 
Meaning of the word marked with <WSD> tags:  Unable to express oneself clearly or fluently; at a loss for words.