swep- / Indo-European roots

Examples of words with the root swep-: hypno-, hypnotic, insomnia, somni-, somnolent, sopor.


To sleep.

1. Suffixed form *swep-os-. sopor; soporific from Latin sopor, a deep sleep.
2. Suffixed form *swep-no-. somni-, somnolent; insomnia from Latin somnus, sleep.
3. Suffixed zero-grade form *sup-no-. hypno-, hypnosis, hypnotic from Greek hupnos, sleep.

[Pokorny 1. su̯ep- 1048.]

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