“Nahitra nahitra jine jine” is the opening line of a popular Jain stavan (devotional song) in praise of Bhagwan (usually sung in temples and at home).

The full common opening goes like this (Gujarati):

નહિતર નહિતર જિને જિને તમને નમું હુ વારંવાર…

Simple meaning in English:

• “Nahitra nahitra jine jine” – O Jina, O Enlightened Lord,
• “Tamne namu hu vaaram vaar” – I bow to you again and again.

Essence:

• The devotee is expressing deep respect and repeated salutation to the Jinas (Arihants), out of bhakti and gratitude.
• It is a way of remembering their supreme qualities (kevalgyan, vitaragata, infinite compassion) and humbly bowing to them.

If you want, I can write out the full stavan (as commonly sung) and give a very simple line‑by‑line meaning.