cos·mo·naut 
(kŏzmə-nôt′)
(kŏzmə-nôt′)n.
A Russian or Soviet astronaut.
[Russian kosmonavt : Greek kosmos, universe + Greek nautēs, sailor; see nāu- in the Appendix of Indo-European roots.]
- Indo-European root: ghrēi-
- Indo-European root: ghwer-
- Indo-European root: ghwībh-
- Indo-European root: ghē-
- Indo-European root: gleubh-
- Indo-European root: gnō-
- Indo-European root: gr̥ə-no-
- Indo-European root: gwei-
- Indo-European root: gwelə-
- Indo-European root: gwen-
- Indo-European root: gwerə-
- Indo-European root: gwerə-
- Indo-European root: gwet-
- Indo-European root: gwhedh-
- Indo-European root: gwhen-
- Indo-European root: gwher-
- Indo-European root: gwhren-
- Indo-European root: gwhrē-
- Indo-European root: gwhī-
- Indo-European root: gwou-
- Indo-European root: gwā-
- Indo-European root: gāu-
- Indo-European root: i-
- Indo-European root: kad-
- Indo-European root: kai-