The phrase "wast at home in" is spelled using the IPA phonetic transcription as /wɑst/ /æt/ /hoʊm/ /ɪn/. The word "wast" is an archaic form of "was", which was commonly used in Old English. The use of "at" and "in" indicates a sense of location or presence. The correct spelling of this phrase is important for clear communication in written text, especially in professional or academic settings.