projecting part; tip; promontory
Only when written 出っ鼻
Refers to a part that sticks out, such as a headland or the tip of something. Restricted to the 出っ鼻 spelling.
See also: 出鼻
moment of departure; just as one is leaving
Used for the exact moment someone is about to go out or leave. Often appears in phrases like 出っ鼻をくじかれる (to be thwarted at the very start).
See also: 出鼻
A lighthouse stands on the projecting tip of the cape.
It started raining just as I was about to leave, so I gave up going out.
The opposing team scored right from the start of the match.
Overlaps in the 'start' sense, but 出っ鼻 is more colloquial and often implies a sudden or immediate beginning.
Standard kanji spelling for the projecting part sense; also used for the temporal senses.
Alternate kanji spelling; 端 (edge/end) fits the temporal senses well.
Compound of 出 (で, 'coming out') + 鼻 (はな, 'nose, tip') with a geminated consonant for emphasis. The temporal senses likely developed from the idea of the 'tip' or 'beginning' of an action.