aslena

From ess- +‎ lenaid (“to stick, cling”), the idea being that filth sticks to whatever it is making dirty.^[1]

• IPA^(key): [asˈl͈ʲena]

as·lena (verbal noun éillned)

1. to pollute, defile
   • c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus (reprinted 1987, Dublin Institute for Advanced Studies), edited and with translations by Whitley Stokes and John Strachan, vol. I, pp. 7–483, Ml. 74^c3

     .i. lasse no·llochtaigtis .i. no·lochtaigtis ⁊ nu·pectaigtis ⁊ as·lentis a menma[e] fadesin tri a[dé]itched ⁊ ingabail inna mbriathar ṅdiut nu·radin-se.

     when they used to commit offences; i.e. they used to commit offences, commit sins, and defile their own minds through the detesting and reproach of the simple words I used to say.

   • c. 900, Sanas Cormaic, from the Yellow Book of Lecan, Corm. Y 1082

     It hé a chúis [aicsin, La.] ara·nglanaiter .i. arná·héilnet a cairpthiu oc dal [dul, La.] for caí ⁊ arná·huilled echradæ [huallnet echraide, La.] oc techt do oenach [oenuch, La.].

     These are the causes due to which they are cleaned, i.e. for chariots to not dirty themselves while going on a visit, and for horses to not dirty themselves while traveling to a fair.

• Middle Irish: éilnigid
  • Irish: éilligh

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “as-lena”, in eDIL: Electronic Dictionary of the Irish Language