adar bach y si

== Welsh == === Etymology === Literally, “little birds of the buzz”. === Pronunciation === (North Wales) IPA(key): /ˈadar ˈbaːχ ə ˈsiː/ (North Wales) IPA(key): /ˈa(ː)dar ˈbaːχ ə ˈsiː/ === Noun === adar bach y si (plural, singular aderyn bach y si m) hummingbirds (Trochilidae spp.) Synonym: sïednod === Further reading === Griffiths, Bruce; Glyn Jones, Dafydd (1995), “hummingbird”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “adar bach y si”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies