She seldom visits her hometown since she moved to the city.
Here, the word 'seldom' is -

Adverb of frequency:
- যে Adverb কোন কিছু কতবার বা কতো সময় পরপর হয় তা বোঝায় তাকে Adverb of frequency বলে।
- An adverb that tells us how often something is done is called an Adverb of frequency.
- Weekly, twice, sometimes, never, always, generally, usually, nearly, again, ever, hardly ever, seldom, etc.
যেমন -
- I have never been to that place.
- Always wear a smile on your face.

• She seldom complains about anything.
- এই sentence এ 'seldom' হচ্ছে Adverb of frequency.

Other options,
Adverb of time - 'when' or 'for how long' দ্বারা প্রশ্ন করলে উত্তর পাওয়া যায়। Yesterday, today, afterward, always, immediately, last month, now, soon, etc.
Adverb of place - 'Where' প্রশ্নের জবাব যে word থেকে পাওয়া যায় তাকে Adverb of place বলে। Home, abroad, here, there, nowhere, etc.
Adverb of manner - যে adverb কোন কিছু কিভাবে হয়/হচ্ছে তা উল্লেখ করে তাকে Adverb of manner বলে। Clearly, quickly, badly, slowly etc.