approximate age
Used to indicate someone's age roughly, often when the exact age is unknown or not important. Similar to 年頃, but 年の頃 is a set phrase.
See also: 年頃
He looks about forty years old.
About how old are you?
Standard kanji spelling for this phrase.
Kana-mixed spelling; the ころ part is often written in kana.
Compound of 年 (toshi, 'year, age') + の (no, possessive particle) + 頃 (koro, 'approximate time'). Literally 'around the age of'.