Dictionary Definition:
ava-√gāh -gāhate (ind. p. -gāhya Kum. i, 1, &c
• pr.p. P. -gāhat, R
• Ved. Inf. -gāhe Pāṇ. 3-4, 14 Kāś.) to plunge into, bathe in (loc.)
• to go deep into, be absorbed in (loc. or acc.)