Reconstruction:Proto-Kartvelian/dutxel-

*dutx- (“to be thin”) +‎ *-el

*dutx-el- (Fähnrich–Sarǯvelaʒe)

1. thin

• Proto-Georgian-Zan:
  • Old Georgian: თხელი (txeli) (← *დთხ-ელ- (*dtx-el-) ← *დუთხ-ელ- (*dutx-el-))
    • Georgian: თხელი (txeli)
  • Zan: *titx-u- ← *dütx-u- ← *dütx-el-
    • Laz: თითხუ (titxu), თუთხუ (tutxu)
    • Mingrelian: თხითხუ (txitxu), თხჷთხუ (txətxu), თხჷთხჷ (txətxə), თხითხი (txitxi), თითხუ (titxu)
• Svan: დჷთხელ (dətxel, “thin”), დო̄თხელ (dōtxel) (← *დუთხ-ელ- (*dutx-el-)), ჷთხერ (ətxer), ⇒ ლიდდთხა̈ლე (liddtxäle, “to thin out”), ლითხელე (litxele, “to make thin”)

• Č̣araia, Ṗeṭre (1895) “Megruli dialekṭis natesaobrivi damoḳidebuleba kartultan [The genetic relation of the Mingrelian dialect to Georgian]”, in Moambe‎ (in Georgian), number 12, Tbilisi, page 113
• Topuria, Varlam (1926) “Poneṭiḳuri daḳvirvebani kartvelur enebši I [Phonetic observations in Kartvelian languages I]”, in Mimomxilveli (in Georgian), Tiflis, pages 215–216
• Klimov, G. A. (1998) “*ttx-, *ttx-el-”, in Etymological Dictionary of the Kartvelian Languages (Trends in linguistics. Documentation; 16), New York, Berlin: Mouton de Gruyter, pages 70–71
• Penrixi (Fähnrich), Hainc, Sarǯvelaʒe, Zurab (2000) “*dutx-”, in Kartvelur enata eṭimologiuri leksiḳoni [Etymological Dictionary of the Kartvelian Languages] (in Georgian), 2nd edition, Tbilisi: Tbilisi Sulkhan-Saba Orbeliani State University Press, pages 178–179
• Fähnrich, Heinz (2007) “*dutx-”, in Kartwelisches Etymologisches Wörterbuch [Kartvelian Etymological Dictionary] (Handbuch der Orientalistik; VIII.18) (in German), Leiden, Boston: Brill, pages 138–139
• Čuxua, Merab (2007) “*ditx-el-”, in Iberiul-ičkeriul enata šedarebiti gramaṭiḳa [Ibero-Ichkerian Comparative Grammar] (in Georgian), Tbilisi: Tbilisi State University Press, page 356, compares to Proto-Nakh *nēlxiᶰ