(Greek mythology) Helen

(computing) header (the first part of a file or record that describes its contents) / (networking) header (the first part of a packet or stream)

(slang) person who likes hip-hop music

(Internet slang, hyperbolic) to enter a manic-depressive-like state

returning in the morning after a night away

through, by way of, after

The hiragana syllable む (mu). Its equivalent in katakana is ム (mu). It is the thirty-third syllable in the gojūon order; its position is ま行う段 (ma-gyō u-dan, “row ma, section u”).

Used to indicate a mumbling sound.

(Classical Japanese, after mizenkei) Used to form the volitional form of verbs, equivalent to modern う (-u > -ō) / よう (-yō).

conjecture about a presently occurring situation that the speaker has no direct knowledge about