word-forming element meaning "wet, moist; moisture," from Greek hygros "wet, moist, fluid; weak, soft, flexible." Beekes says possible cognates include Old Norse vokr (accusative vokvan) "moist, wet;" Latin uvidus, udus.
hyetal
hyeto-
hygiene
hygienic
hygienist
hygro-
hygrology
hygrometer
hygroscope
Hyksos
hylo-