top of ...; head of ...
Attaches to nouns to mean the top or head of that thing. Often used in titles like 番頭 (head clerk) or 組頭 (group leader).
He is the head of the young people in this town.
The group leader organized the young craftspeople.
the moment that ...
Attaches to the -masu stem of a verb to mean 'at the moment of doing' or 'just as one does'. Often used in set phrases like 振り向き頭に (just as one turned around).
He felt dizzy the moment he stood up.
I bumped into someone just as I turned around.
decorative black flagpole tassel
inner corner of the eye; inner canthus
kanji "eight" radical at top
kanji radical 105; "dotted tent" radical
leader of a troupe
the moment of meeting; the moment of running into each other; the moment of crossing paths
section head; sub-leader; head of a small unit
most successful person (in a group)
pommel
group leader; squad leader
school of kowakamai dance founded by Yamamoto Sirozaemon
leader of a large group; head of a group · large decorative black flagpole tassel · puffbird · first makushita rikishi on the banzuke
kanji 'winter' radical at top (radical 34)
milk shark
kanji 'pig's head' radical
leader; boss; head of a faction · top part of a flag; flag head · festival banner pole (Okinawa)
wave crest; whitecaps
white wig (for demon roles in Noh)
inner ends of the eyebrows; the part of the eyebrows near the middle forehead
top component of the 'thread' radical
kanji 'net' radical at top
helmet with white hair on top, making the wearer look old · kanji radical 'old' at the top
The suffix がしら is a voiced form of かしら (頭), meaning 'head' or 'top'. The verb-stem usage likely developed from the idea of 'the head of an action', i.e., the moment it begins.