One verse

Srimad Bhagavatam 10.89.36

10.89.36

स उपस्पृश्य शुच्यम्भो नमस्कृत्य महेश्वरम् । दिव्यान्यस्‍त्राणि संस्मृत्य सज्यं गाण्डीवमाददे ॥ ३६ ॥

sa upaspṛśya śucy ambho namaskṛtya maheśvaram divyāny astrāṇi saṁsmṛtya sajyaṁ gāṇḍīvam ādade

saḥ
he (Arjuna)
upaspṛśya
touching
śuci
pure
ambhaḥ
water
namaḥ-kṛtya
offering obeisances
mahā-īśvaram
to Lord Śiva
divyāni
celestial
astrāṇi
his missile weapons
saṁsmṛtya
remembering
sajyam
the bowstring
gāṇḍīvam
to his bow Gāṇḍīva
ādade
he fixed

After touching pure water, offering obeisances to Lord Maheśvara and recollecting the mantras for his celestial weapons, Arjuna strung his bow Gāṇḍīva.