yàn, yān
swallow (bird)
A swallow, with its head 廿, wings 北, and tail 灬
Components
Evolution

Oracle script
(~1250-1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Cao Wei (Three Kingdoms: 222-280 AD)Regular script
ModernDefinitions
yàn
swallow (bird); comfort, enjoy; swallow (family Hirundinidae); old variant of 宴[yàn]
Yān
Yan, a vassal state of Zhou in modern Hebei and Liaoning; north Hebei; the four Yan kingdoms of the Sixteen Kingdoms, namely: Former Yan 前燕 (337-370), Later Yan 後燕|后燕 (384-409), Southern Yan 南燕 (398-410), Northern Yan 北燕 (409-436); surname Yan
yàn
variant of 燕[yàn]
Sources