Nidāgha [Sanskrit nidāgha, from nidahati, ni + dahati 2 , see ḍahati] heat, summer-heat, summer, drought Ja I 221 (-samaya dry season); II 80; Vism 259 (°samaya, where Pj I 58 reads sarada-samaya); Pv-a 174 (-kāla summer). figurative Ja IV 285; V 404; Dāṭh II 60.
巴利語辭典（達摩比丘中譯）
【陽】 乾旱，熱，夏天。
数字巴利辞典 DPD
(masc, masc)
summer heat
heat, summer
[lit.] burning down
Construction: ni + √ḍah + ga
(masc, masc)
drought
[lit.] burning down
Construction: ni + √ḍah + ga