Words that come from Proto-Indo-European “si-sǵʰ-”
10 words across 4 languages descend from Proto-Indo-European si-sǵʰ- — including ischemia, postischemia, ischury, ἴσχω, ischuria, ἰσχουρία, ὑπισχνέομαι, ὑπόσχεσις.
See the etymology of si-sǵʰ- itself →