Mahabharata 12.61.2

वानप्रस्थं भैक्षचर्यां गार्हस्थ्यं च महाश्रमम्ब्रह्मचर्याश्रमं प्राहुश्चतुर्थं ब्राह्मणैर्वृतम्

vānaprasthaṃ bhaikṣacaryāṃ gārhasthyaṃ ca mahāśramambrahmacaryāśramaṃ prāhuścaturthaṃ brāhmaṇairvṛtam

Our plain-language meaning of this verse is waiting for scholar review.