Pāli Dictionary
general
亲密；亲近；熟识
intimacy; close association; familiarity or acquaintance (with someone)
SN 1.31
sabbhi'r'eva samāsetha, sabbhi kubbetha santhavaṃ, sataṃ saddhammam'aññāya, sattā gacchanti suggatin'ti.
Snp 2.2
kodho mado thambho paccupaṭṭhāpanā, māyā usūyā bhassasamussayo ca, mān'ātimāno ca asabbhi santhavo, es'āmagandho na hi maṃsabhojanaṃ.
monastic
性交（“亲密”一词的引申义，多见于律典语境）
sexual intercourse (an extended, euphemistic sense of “intimacy”)
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