From 何 (nani, meaning "what") + か (ka).
何か (hiragana なにか, rōmaji nanika)
- Nanika chōdai.
- Give me something.
- Kare, watashi no koto nanika ittemashita?
- Did he say anything about me?
- Often written with hiragana (なにか) instead of with kanji (何か).
- Also pronounced and spelled as なんか (nanka) which is an informal and casual version, often used between friends and those of equal status.