-tsu

-tsu

1. Used to create adjectives from nouns.

   ‎eguzki (“sun”) + ‎-tsu → ‎eguzkitsu (“sunny”)

   ‎euri (“rain”) + ‎-tsu → ‎euritsu (“rainy”)

As with many slang suffixes, there are probably multiple origins. The main origin is probably -tsa +‎ -u, but another origin may be -su added to stems ending in t.

-tsu (front vowel harmony variant -tsy, linguistic notation -tsU)

1. (slang) Slang suffix, generally for nouns (with clipping).
2. (no longer productive) Found in some surnames.

-tsu

1. Rōmaji transcription of つ

From Proto-Athabaskan *-čuˑ. Compare Ahtna -tsucde.

• IPA^(key): /tsʰu/

-tsu (third person possessed form betsu)

1. grandmother

   setsu ― my grandmother

• -tseya (“grandfather”)

• netsu luk'a (“bullhead”)
• netsu tanilot (“water ouzel”)
• setsu tabila' (“spiderweb”)
• -tsu gwya (“great-grandmother”)
• xutsu (“old woman”)

• Kari, James et al. (2024), Kari, James, editor, Lower Tanana Dene Dictionary, Fairbanks, Alaska: Alaska Native Language Center, →ISBN, page 190