tree: Living under a tree is one of the ascetical practices (dhutaṅga, q.v.).

Buddhist Dictionary, Manual of Buddhist Terms and Doctrines, by NYANATILOKA MAHATHERA

tree : (m.) rukkha; pādapa; viṭapī; duma; taru; sākhī; mahīruha.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

ljon shing

[translation-san] {LCh} vṛkṣa

[translation-eng] {Hopkins} tree

[definition-bod] mtshan nyid yal ga lo 'dab dang ldan pa

[definition-eng] Definition: having branches and leaves

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

sdong

[translation-san] {C} druma

[translation-eng] {C} tree

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

sdong po

[translation-san] {C} stamba (=viṭapam)

[translation-san] gaṇḍa

[translation-san] {MSA} skandha

[translation-eng] {Hopkins} tree trunk

[translation-eng] {C} tree

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

sdong bu

[translation-san] stamba (=viṭapam)

[translation-san] {C} gaṇḍa

[translation-eng] {Hopkins} tree trunk

[translation-eng] {C} tree; boil; trunk; tree

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

nags tshal

[translation-san] {LCh,C,MSA} vana

[translation-san] {C} vanas-pati

[translation-eng] {Hopkins} forest; grove

[translation-eng] {C} wood(s); thicket; tree

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary