adar y to

== Welsh == === Etymology === Literally, “birds of the roof”. === Noun === adar y to (plural, singular aderyn y to m) house sparrows (Passer domesticus) Synonyms: golfanod, llwydiaid y to === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 20 January 2026.