ḳöṣamk ḷe-ˁóŝi be-šɛ́hi wa-ˀéṣher wa-rik šɛ́hi di-déḷaḳ wa-ḷaṭ sfork be-ṭáˀira tóˀo éraḥk ker íˀitin ṣer fe ṭáḥɛm wa-ˁéyyek ḷesḥám ‘I had a breakfast of tea and bread, and drank too much of the tea. Then I went on a plane trip. While the plane was in the sky, I felt strong urge to urinate.’ (CSOL I 17:52)
From Proto-MSA *šitim- ‘heaven’. Further etymology unknown (cf. Kogan 2015:571).