Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

afternoon

UK /ˌɑːf.təˈnuːn/ · US /ˌæf.tɚˈnun/ noun, adverb

Forms afternoons afternoone

noun The part of the day from noon or lunchtime until sunset, evening, or suppertime or 6pm.
noun (figuratively) The later part of anything, often with implications of decline.
noun (informal) A party or social event held in the afternoon.
adverb (archaic in the singular) In the afternoon.

Synonyms

From Middle English afternone, after-non, equivalent to after- + noon.

Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “afternoon”, CC BY-SA 4.0. Details

Sanskrit dictionary entries whose meaning includes “afternoon” (best matches first).

आपराह्णिक āparāhṇika occurring in the afternoon.
अपराह्ण aparāhṇa afternoon, the last watch of the day.
विकाल vi-kāla twilight, evening, afternoon, the close of day;
वैकाल vaikāla evening, afternoon, ( vaikāle, loc. c. in the evening.)
वैकालिक vaikālika occurring in or belonging to the evening; ( am ), ind. in the afternoon.
अह्न ahna as last member of a compound = ahan, a day, q.v.; e.g. madhyāhna, midday; aparāhṇa, afternoon.
प्रातस्तन prātastana belonging or relating to the morning, matutinal; ( am ), n., Vedic early morning (the first of five parts of…
महापराह्ण mahā-parāhṇa ‘mid-afternoon,’ a late hour in the afternoon;