What is the meaning of Hà?

third-person singular indicative present of avè

tiny; small: anything that is considerably small.

Hanyu Pinyin reading of 哈

five

exclamation of surprise

to exhale, to breathe out (through mouth)

Sino-Vietnamese reading of 河

barnacle (marine crustacean)

Sino-Vietnamese reading of 苛

Source: wiktionary.org