cleith

Irish

From Old Irish cleth (“housepost”), from Proto-Celtic *klitā (“pillar”), from Proto-Indo-European *ḱlitós (“inclined”). Compare Sanskrit श्रित (śritá, “attached”), Ancient Greek κλίτα (klíta, “cloister”, Hesychius), and Old English ġehlid (“fence”).

cleith f (genitive singular cleithe, nominative plural cleitheanna)

pole (long and slender object for construction or support)
Synonym: cuaille
cudgel (short heavy club with a rounded head)
wattle (construction of branches and twigs), stake (in wattling)
Synonym: caolach
(nautical) yard (tapered timber from which square sails hang)
Synonym: slat
housepost
(obsolete) spear
Synonym: sleá

Declension of cleith

Bare forms

cleith ailpín (“knobstick”)
cleith mhullaigh (“ridgepole”)
cleith pubaill (“tent pole”)
cleith sháite (“punt pole”)
cleith uachtair (“gaff (of sail)”)
cleithire
idir cleith agus ursain (“by the skin of one's teeth, by a hair's breadth, narrowly”)

Irish mutation
Radical	Lenition	Eclipsis
cleith	chleith	gcleith
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

“cleith”, in Historical Irish Corpus, 1600–1926, Royal Irish Academy
Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “1 cleth”, in eDIL: Electronic Dictionary of the Irish Language
Dinneen, Patrick S. (1904) “cleaṫ”, in Foclóir Gaeḋilge agus Béarla, 1st edition, Dublin: Irish Texts Society, page 147
Ó Dónaill, Niall (1977) “cleith”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
Sjoestedt, M. L. (1931) Phonétique d’un parler irlandais de Kerry (in French), Paris: Librairie Ernest Leroux, page 73