song

• n. 歌；歌唱；詩；さえずり
• n.（歌）人の名前；（タイ語）ソング；（カンボジア語）ソング；（英語）サン；（ラオス語）ソング；（ベトナム語）シュアン；（中国語で東南アジア諸国）ソング

singの名詞形から。

song

song: [OE] Song comes from a prehistoric Germanic *sanggwaz, a derivative of the same base that produced sing. Its Germanic relatives include German and Danish sang, Dutch zang, and Swedish s?ng.
=> sing

song (n.)

Old English sang "voice, song, art of singing; metrical composition adapted for singing, psalm, poem," from Proto-Germanic *sangwaz (cognates: Old Norse s?ngr, Norwegian song, Swedish s?ng, Old Saxon, Danish, Old Frisian, Old High German, German sang, Middle Dutch sanc, Dutch zang, Gothic saggws), from PIE *songwh-o- "singing, song," from *sengwh- "to sing, make an incantation" (see sing (v.)).

Phrase for a song "for a trifle, for little or nothing" is from "All's Well" III.ii.9 (the identical image, por du son, is in Old French. With a song in (one's) heart "feeling joy" is first attested 1930 in Lorenz Hart's lyric. Song and dance as a form of vaudeville act is attested from 1872; figurative sense of "rigmarole" is from 1895.

1. That song has stuck in my head for years.

その歌は長年私の心に刻み込まれてきた。

2.I feel as if I should break into song .

私は自分が声を出して歌うべきだと思います。

3.You can 't have one without the other，as the song says.

は歌の中で歌っているように、両者は不可分であり、その1つだけを取ることはできない。

4.72,000 pairs of hands clapped in unison to the song .

72,000両手と歌が整然とラケットを打っている。

5.I wrote that song just to cheer myself up.

私はその歌を書いて私自身を元気づけた。