Shloka 18
सूर्यरथनिर्णयः (चन्द्रस्य पक्षवृद्धिक्षयविधानम्)
Devanagari script
वृद्धिक्षयौ वै पक्षादौ षोडश्यां शशिनः स्मृतौ एवं सूर्यनिमित्तैषा पक्षवृद्धिर्निशाकरे
Transliteration
vṛddhikṣayau vai pakṣādau ṣoḍaśyāṃ śaśinaḥ smṛtau evaṃ sūryanimittaiṣā pakṣavṛddhirniśākare
Translation
On dit que la croissance et le déclin se produisent au commencement de la quinzaine et à la seizième tithi de la Lune. Ainsi, le Soleil étant la cause déterminante, cette augmentation de la quinzaine est établie dans le faiseur de la nuit, la Lune.
Word by Word
vṛddhi-kṣayauincrease and decrease (waxing and waning)
vṛddhi-kṣayau:
vaiindeed
vai:
pakṣa-ādauat the beginning of the fortnight
pakṣa-ādau:
ṣoḍaśyāmon the sixteenth (tithi/phase)
ṣoḍaśyām:
śaśinaḥof the Moon
śaśinaḥ:
smṛtauare remembered/declared in tradition
smṛtau:
evamthus
evam:
sūrya-nimittāhaving the Sun as the causal factor/occasioning principle
sūrya-nimittā:
eṣāthis
eṣā:
pakṣa-vṛddhiḥthe fortnight’s increase (waxing progression)
pakṣa-vṛddhiḥ:
niśākarein the night-maker, i.e., the Moon
niśākare:
Speaker
Suta Goswami (narrating to the sages of Naimisharanya)