Interrogative adverb asking about quantity or degree. Usually written in kana.
この箱にはりんごがいくほど入っていますか。
How many apples are in this box?
駅までいくほどかかりますか。
How much does it cost to get to the station?
Kanji spelling is rare; the word is usually written in kana.
Alternate kanji spelling; rarely used.
Mixed kanji-kana spelling; rarely used.
Compound of 幾 (iku, 'how many') and 程 (hodo, 'degree, extent'). The exact historical derivation is uncertain, but it follows a common pattern for interrogative adverbs.