particle
Concessive particle attached to the te-form of verbs, adjectives, or nouns. Indicates that the following statement holds regardless of the preceding condition. Variants include でも and っても.
雨が降っても、出かけます。
Even if it rains, I'll go out.
高くても買いたい。
I want to buy it even if it's expensive.
interjection
Archaic or literary interjection expressing surprise or admiration. Abbreviation of さても. Rare in modern speech.
See also: さても
ても、これは見事な景色だ。
Wow, this is a splendid view.