to

• adv. 前方に；（ドアなどを）閉める
• 前置詞; ～へ；（表示时间、方向）へ
• n. （カンボジア語で）人名；（カンボジア語で）大いに；（中国語で）外（北京語でウィトマ）へ

古英語のtoから、ある方向に向かって、西ゲルマン語*to, towardから、PIE*doから、指示代名詞, towardの語幹は接頭辞de-から派生した。

to

to: [OE] To comes from a prehistoric West Germanic *tō, which also produced German zu and Dutch toe. This went back ultimately to an Indo-European *do, which also produced Russian do ‘to’. Too is historically the same word as to.
=> too

to (prep.)

Old English to "in the direction of, for the purpose of, furthermore," from West Germanic *to (cognates: Old Saxon and Old Frisian to, Dutch too, Old High German zuo, German zu "to"), from PIE pronominal base *do- "to, toward, upward" (cognates: Latin donec "as long as," Old Church Slavonic do "as far as, to," Greek suffix -de "to, toward," Old Irish do, Lithuanian da-), from demonstrative *de-.

Not found in Scandinavian, where the equivalent of till (prep.) is used. In Old English, the preposition (go to town) leveled with the adverb (the door slammed to) except where the adverb retained its stress (tired and hungry too); there it came to be written with -oo (see too).

The nearly universal use of to with infinitives (to sleep, to dream, etc.) arose in Middle English out of the Old English dative use of to, and it helped drive out the Old English inflectional endings (though in this use to itself is a mere sign, without meaning).

Commonly used as a prefix in Middle English (to-hear "listen to," etc.), but few of these survive (to-do, together, and time references such as today, tonight, tomorrow -- Chaucer also has to-yeere). To and fro "side to side" is attested from mid-14c. Phrase what's it to you "how does that concern you?" (1819) is a modern form of an old question:

Hu?d is eec e?s?
[John xxi:22, in Lindisfarne Gospel, c.950]

1. I think he means "at "rather than " to "

私は、彼は to ではなくatを言いたいのだと思います。

2.Beauty is an attitude.It has nothing to do with age.

美は年齢に関係なく態度です。

3.The besthing to do when entering unknown territory is smile.

未知の地に足を踏み入れる最善の対策は笑顔だ。

米ドラマ『キャリー?ダイアリー』

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4.No matter where you go in life or how old you get，there 's always something new to learn about.After all，life is full of surprises.

どこに住んでいても、あなたは何歳になっても、いつも新しいことを学ぶ必要があります。結局、生活はいつも驚きに満ちています。

毎日一言

5.For what do we live，but to make sport for our neighbours，and laugh at them in our turn？

私たちが生きているのは何のためですか。隣人を笑い者にして、逆に笑うことではない。