Colloquial, slightly childish or informal word for the very tip or end of something long and thin, like a pencil, finger, or stick. Often used in everyday speech.
The tip of the pencil broke.
I got a splinter in the tip of my finger.
Standard kanji-kana spelling for this colloquial noun.
Kana spelling is common in casual writing and when the kanji is not needed.
Formed from 先 (さき, tip) with the colloquial suffix っちょ, which adds a casual, diminutive, or slightly childish nuance. The exact origin of っちょ is uncertain, but it appears in several informal words.