dewlap 的詞源

還有 dew-claw，指的是一些狗的腳，尤其是後腳的“殘留內腳趾”，始見於1570年代，源自 claw，但第一個元素的意義不明確（可參考 dewlap）。

古英语 læppa（复数 læppan）意为“衣物的裙摆或翻边”，源自原始日耳曼语 *lapp-（也源自古弗里斯语 lappa，古撒克逊语 lappo，中世纪荷兰语 lappe，荷兰语 lap，古高地德语 lappa，德语 Lappen 意为“破布，碎片”，古诺尔斯语 leppr 意为“补丁，破布”），起源不确定。

“衬衫或裙子的下前部”的意义导致了“坐着的人的上腿”（约公元1300年）。从14世纪晚期起，作为比喻使用（“胸怀，怀抱，某人或某物被珍惜和爱的地方”），如在 lap of luxury 中（首次记录于1802年）。将某物 drop 或 dump in someone's lap “转移负担”始于1962年。从15世纪到17世纪，这个词（通常为复数）是“女性外生殖器”的委婉语，但这不是 lap dance 的来源，后者首次记录于1993年。

To lap dance, you undress, sit your client down, order him to stay still and fully clothed, then hover over him, making a motion that you have perfected by watching Mister Softee ice cream dispensers. [Anthony Lane, review of "Showgirls," New Yorker, Oct. 16, 1995]

Lap-clap 曾是“性交行为”的旧俚语（约公元1600年），在对年轻人的警告表达中，常与 lip-clip “吻”搭配使用。也可比较俚语 Lapland “女性的社交圈”。

by 1989, also a verb; see lap (n.1) + dance (n.).

To lap dance, you undress, sit your client down, order him to stay still and fully clothed, then hover over him, making a motion that you have perfected by watching Mister Softee ice cream dispensers. [Anthony Lane, review of "Showgirls," New Yorker, Oct. 16, 1995]

In anatomy, lap is attested by late 14c. as "loose end or lobe of flesh" (as in dewlap) and from 15c.-17c. lap (often in plural) was a euphemism for "female pudendum." but this is likely not the immediate source of lap-dance.

Lap-clap was old slang for "an act of coition" (c. 1600), in warning expressions to youth often paired with lip-clip "a kiss." Also compare slang Lapland "the society of women."